# Math - Factoring/Decomposition

132,131 results

Math - Factoring/Decomposition
16y^2 - 4y + 1 = 0 I'm trying to find the roots for the equation. What do I do next after this step: 4y (4y - 1) + 1 = 0

math factoring
6x4-5t3-200t-163000 how do you factor this it cant be done by common factor or decomposition method..help!!

Math-Factoring
Hey I need help factoring 5x^4-180x^2. I'm used to factoring with three numbers, and not two. How would you do just two like this? Thanks

factoring
Factor x3 + 9x2 + 27x + 27 Factor 8a3 + 60a2b + 150 ab2+ 125b3 I tried doing them, but I just don't get how; perfect squares didn't work and neither did decomposition... someone please help me.

Factoring
x2(squared)-4x+4 I would factor this into (X - 2)(X - 2) If you don't know the rules for factoring, post, and we can show you how to do it. I don't know the factoring rules. My algebra teacher couldn't teach.

GR.10 MATH.
i want to noe what is the DIFERENCE between partial and complete factoring. an e.g of a partial factoring problem is y=2x^2+8x+5 an e.g of complete factoring is y=x^2+3x-10

Chemistry
Which of the following general equations describes all decomposition reactions? decompo single double A 2N2O5 → O2 + 4NO2 Is what type of chemical reaction? Combustion Synthesis Decomposition None of the above. not sure Which of the following is a decomposition reaction...

Algebra
Solve the equation. Use factoring or the quadratic formula, whichever is appropriate. Try factoring first. If you have any difficulty factoring, then go right to the quadratic formula. (Enter your answers as a comma-separated list.) (x+2)^2 + (x-7)(x-2)=16

Math: Factoring
I'm having a hard time factoring polynomials, especially 3rd degree. -x^3+2x^2+4x-8 -x^3-5x^2+20x+12 I don't know how to begin. I thought long division, but what would I divide by?

factoring
I cannot figure these out.Can someone Factor completely: 3x2 - x - 4 I suppose this is actually 3x^2 -x-4 If so: (3x-4)(x+1) Now I'd like you to look at the following website: http://tutorial.math.lamar.edu/AllBrowsers/1314/Factoring.asp

math?? factoring
100N/m d^2 - 57.3d= 0 sigh...I can't figure out how to find d know it's factoring but as to actual number to factor out...not so sure. Thanks

math
I don't understand factoring. One of my homework questions asks for that. The question is "The area of a rectangular garden is given by the trinomial x to the 2nd power plus x -42. What are the possible dimensions of the rectangle? Use factoring.

Math - factoring
Solve by factoring: 1.) x^2 - x - 12 = 0

Math(factoring)
I need help with factoring trinomials completely. My teacher's example is: 2x^2-12x+18 2(x^2-6x+9) 2(x-3)(x-3) I need help with: 6x^2-26x-20 I just can't get this stuff so if you can please help me I'd greatly appreciate it.

Math - Factoring Trinomials
I need help factoring 2y^2-2y-24. The answer I got was 2(y+3)(y+3). However the correct answer is 2(y+3)(y-4).

Math (Algebra 2)
Factoring by Using a Quadratic Form Problem: x^4 + 8x^2 - 20 What I have so far: (x^2)^2 + 8(x^2) - 20 a^2 + 8a - 20 For some reason my textbook says to substitute the (x^2) with (a) as you can see in the las step. The next step after that is factoring [a^2 + 8a - 20].

Algebra
Steps to factoring this x^3 - 8 ? I'm only used to factoring out the x when the x is in the equation like x^ + x + x

FACTORING HELP ASAP
i don't know how this works.. but im helping my friend with some factoring and i have a few questions

Precalc factoring
im stuck on factoring (x-1)(2x^3+13x^2+8x-35) do i use synthetic division? if so what zero? thnks.

Factoring- precalc
im stuck on factoring (x-1)(2x^3+13x^2+8x-35) do i use synthetic division? if so what zero? thnks.

Algebra Question
When I'm factoring ax^2 + bx + c, is it fine to switch signs in the factoring answer? For example: Can (2x - 5)(3x + 5) become (2x + 5)(3x - 5)?

Algebra 1-Factoring Help!
Factor completely. if the polynomial is prime, state this. -6x^2-21x-9 I am confused about how to factoring. Thanks!

chemistry
The decomposition reaction, x-->products, is second-order with rate constant k=0.0183 L/(s)(mol). How long will it take for the decomposition to be 95% complete, if the intitial concentration of X is 1.25mol/L? Thanks

Math
My son's homework asks us to find the product by factoring the tens. The problem is 6 x 2, 6 x 20 and 6 x 200. I see how to do 6 x 2 (memory factor) and the 6 x 20 would be (6 x 2) and (1 x 10) then 12 x 10 = 120 but how does he show his work for 6 x 200 factoring by tens? Help

I'm so lost on this math Hw it's over factoring variables and I don't get it. Like my teach said that we are supposed to have the number and letter in front of everything. For example: -14x^2-7x+21 For factoring I got 7x(-2x-1+3) Because my teacher told me to to combine both 7...

Math
2x(x+3) = 0 Is there a way to solve that using the below methods? Substitute zero for f(x) and find the roots of the resulting equation, or graph the function and determine the x-intercepts of the graph. Finding the roots of a single variable equation may involve factoring. ...

Sally
I have a factoring question; what is 8a^2-8a-30? I've been working on this for a while and I think I understand factoring, but I'm not getting the right answer, which is supposed to be 2(2a-5)(2a+3). Any help would be so appreciated! :)

MORE MATH
What is the factoring by grouping? When factoring a trinomial, why is it necessary to write the trinomials in four terms? I will be happy to critique your thinking on this. I do not understand to even answer it? (Broken Link Removed) (Broken Link Removed) How do we determine ...

factoring
Factor completely: 2x2 – 50 To indicate x squared, use this notation — x^2. 2x^2-50 = 2(x^2-25) You should be able to continue the factoring with the site that Lance has given you. I hope this helps. Thanks for asking.

Chemistry
The following reaction represents the decomposition for water: 2H2O - 2H + O How many molecules of hydrogen are produced from the decomposition of 12.2 grams of water into its elements?

Chemistry
1. The decomposition of acetaldehyde is a second order reaction with a rate constant of 4.71 × 10^−8 L/mol/s. What is the instantaneous rate of decomposition of acetaldehyde in a solution with a concentration of 5.55 × 10^−4 M? 2. The rate constant for the first-order ...

i am doing factoring with quadratic trinomials, And I don't understand any of it! The problem im working on is 5p2-22p+8 I factored it out to be (5p2-20p)(40p2-2p) I am so stuck, can anyone help

Chemistry
How many liters of oxygen gas at 153 degrees celsius and 0.820 atm can be produced by the decomposition of 22.4 g of solid KClO3? (The other decomposition product is solid potassium chloride)

chemistry
Suppose you do not know the enthalpy of decomposition of the process: CaCO3 = CaO + CO2 Explain in terms of thermodynamic parameters why heating to a high temperature might turn this decomposition to a spontaneous process.

Chemistry
The ¡°air¡± that fills the air-bags installed in automobiles is actually nitrogen gas produced by the decomposition of sodium azide, NaN3. Assuming that the decomposition of sodium azide produces both nitrogen and sodium metal (Na), what volume, in litres, of nitrogen gas ...

Science
Which sequence of process must occur for an atom of carbon to go from a car to a tree? A. respiration, decomposition B. combustion, photosynthesis C. fossilization, decomposition D. fossilization, photosynthesis

science help!!!!!!!!!
Which sequence of processes must occur for an atom of carbon to go from car to a tree? A.resperation, decomposition B. Combustion, photosynthesis C. Fossilization, decomposition D. Fossilization, photosynthesis Is the answer B?

chemistry
Oxygen can be produced by the thermal decomposition of mercuric oxide: 2 HgO(s) → 2 Hg(l) + O2(g) How many liters of O2 are produced at 50.0°C and 0.947 atm by decomposition of 57.0 g of HgO?

chemisty
Use the mole ratio of CuO produced per mole of malachite to write a balanced equation for the malachite decomposition reaction. Assume that CO2 is also a product of the decomposition.

science
Use the mole ratio of CuO produced per mole of malachite to write a balanced equation for malachite decomposition reaction. Assume that CO2 is also product of the decomposition.

chemistry kinetics
Decomposition of an organic compound A follows first order kinetics. Initial concentration of A is 2 M. If rate constant of the decomposition is 3.58 × 10^−6 min^-1 , calculate the rate after 3 hours.

chem
The decomposition of sulfuryl chloride (SO2Cl2) is a first-order process. The rate constant for the decomposition at 660 K is 4.5 10-2 s-1. (a) If we begin with an initial SO2Cl2 pressure of 425 torr, what is the pressure of this substance after 74 s? what is the equation to ...

Decomposition reaction
List the number of reactants and the number of products in a decomposition reaction; 2H2O(I)=2H2(g)+O2(g)

Chemistry
The thermal decomposition of potassium chlorate can be used to produce oxygen in the laboratory. What volume (L) of O2 gas at 25 °C and 1.00 atm pressure is produced by the decomposition of 7.5 g of KClO3 (s)? Here is my work: V=nRT/P .0611995 mol of O2 x .0821Latm/molL x298....

math
6. Solve by factoring. m² + 8m + 7 = 0 (1 point)8, 7 –7, 1 *–7, –1 7, 1 7. Solve by factoring. n² + 2n – 24 = 0 (1 point)–12, 2 –2, 12 *–6, 4 –4, 6 Please Help

Chemistry (rate reactions)
The rate constant for the thermal decomposition at 85 degrees Celsius of dinitrogen pentoxide equals 6.2 x 10 raised to -2 min. As determined by experiment this decomposition is first order-- 2 N2O5 ----> 4 NO2 + O2 Calculate the rate of the reaction when N2O5= .40 M

Chemistry
The thermal decomposition of carbonates leads to the loss of CO2. The decomposition of an unknown carbonate leads to a 35.1% weight loss. The unknown was which of the following compounds. A. Li2CO3 B. MgCO3 C. CaCO3 D. ZnCO3 E. BaCO3

Chemistry
The thermal decomposition of carbonates leads to the loss of CO2. The decomposition of an unknown carbonate leads to a 35.1% weight loss. The unknown was which of the following compounds? A. Li2CO3 B. MgCO3 C. CaCO3 D. ZnCO3 E. BaCO3 How do I solve this?

CHEMISTRY
The following reaction represents the decomposition of hydrogen peroxide: Balanced equation: 2H2O2 -> O2 + 2H2O How many moles of oxygen are produced from the decomposition of 3.4g of hydrogen peroxide? How many molecules of O2 are produced? For the second question, is the ...

Chemistry
A substance undergoes a first-order decomposition. After 40.0 min at 500 degrees C, only 12.5% of the original sample remains. What is the half-life of the decomposition? If the original sample weighted 243 g, how much would remain after 2 hours?

Algebra
What is factoring by grouping? When factoring a trinomial by grouping, why is it necessary to write the trinomial in four terms?

factoring
let f(m)=m^3 + 3m^2 + 3m + 1 notice f(-1) = 0, so m+1 is a factor. Using division, the answer is m^2 + 2m + 1 which factors once more to (m+1)(m+1) so you have (m+1)^3 = 0 and then m = -1 Are you familiar with Pascal's triangle? Did you notice the pattern in the coefficients 1...

Algebra
I am having issues with factoring. I am trying to check my work using a TI84 Plus calculator but I don't know how to plug in a problem to check its factoring. Can anyone help? for example 44y^3+55y^2-11xy how can I go about plugging that in to check my work?

Chemistry
a 2.16g sample of Pb(NO3)2 is heated in an evacuated cylinder with a volume of 1.18L. the salt decomposes when heated: 2Pb(NO3)2 (s)_> 2PbO (s) +4NO2 (g) +O2 (g) Assuming complete decomposition, what is the pressure in the cylinder after decomposition and cooling to a final...

Algebra: factoring
I need to find the value of x. 9x^3 + 9x = 30x^2 It's confusing because apparently I have to do 9x^3 + 9x and then add the + 30x^2 to it, and then make it equal 0, so it ends up like this: 9x^3 + 9x + 30x^2 = 0 And afterward, I would factor it. How do you factor it? I'm having...

chemistry
Lime, CaO, is produced by the decomposition reaction CaCO3(s) ® CaO(s) + CO2(g). What weight of CO2 is obtained by the decomposition of 38.7 g of CaCO3?

algebra,math
My qustion is for the following the problem reads as follows (x-1)^2 = 7 x-1=+- sqrt 7 x= 1+- sqrt 7 the method they use was factoring in order to simplify the equation to make it easier is this correc? x^2-9x-4=6 x^2-9x-10=0 (x-10)(x+1)=0 What method did they use here I think...

Algebra 1-Factor by Grouping Help!
Factor. Use factoring by grouping even though it would seem reasonable to first combine like terms 3u^2-7-21u+49 Would be the same procedure as factoring polynomial? Thanks!

chemistry
3. Use the mole ratio of CuO produced per mole of malachite to write a balanced equation for the malachite decomposition reaction. Assume that CO₂ is also a product of the decomposition. CuCo3*Cu9OH)2 -----> 2Cuo+Co2+H2O 0.004522431 moles of malachite 0.01257071 moles...

Algebra II
Need help please. Thank you. 1. Determine whether the function has a maximum or minimum. State that value. f(x)= -2x^2-4x 2. Determine what c would in order to complete the square. x^2-5x+c 3. Solve the quadratic by factoring. 3x^2-16x+5=0 4. Solve the quadratic by factoring. ...

DQ
What is factoring by grouping? When factoring a trinomial by grouping, why is it necessary to write the trinomial in four terms?

Chem
An electrochemical cell based on the decomposition of H2O2 can be constructed based on the half-reactions in the table below. Half-Reaction | Standard Reduction Potential, E° H2O2+ 2e- => 2 OH- | 0.88 V O2+ 2 H2O + 2e- => H2O + 2 OH- | -0.15 V (d) Calculate the value of...

Chemistry
The following reaction represents the decomposition of hydrogen peroxide: 2H2O2 -> O2 (g) + 2H2O (l) How many molecules of water are produced from the decomposition of 3.4g of hydrogen peroxide, H2O2? Please help, I got 0.02 molecules of water but need to verify my answer (...

Chemistry
I don't understand these two questions. Any help on how to figure this would be great. Thanks. 1. Write the equation for the decomposition of the hydrate, MgC*XH₂O 2. Write the equation for the decomposition of the hydrate, CuSO₄*XH₂O.

College Chemistry
The following data are obtained for the decomposition of N2O5 at a certain temperature: 2N2O5(g)↔4NO2(g) + O2(g) Time(s) 0 200 400 600 800 N2O5 (atm) 2.10 1.85 1.63 1.43 1.26 Find the rate constant kobs for this first-order decomposition reaction in sec-1 So far I have ...

Chemistry
The following reaction represents the decomposition of hydrogen peroxide 2H2O2 -> o2 (g) + 2H2O (l) How many molecules of water are produced from the decomposition of 3.4g of Hydrogen peroxide, H2O2? Please walk me through this one, I need more then just the answer, I need ...

3. Solve for x in 8x^2 + 2x - 4 = 0 I have tried factoring, taking out a GCF then factoring, completing the square, and got a bunch of wrong answers. I thought we were supposed to complete the square, so maybe I'm just doing that wrong. I'm not looking for the answer to the ...

Algebra 1
Well we are doing factoring and I don't quite understand this problem: (x+1)(x-3)=117 I simplified and got: x^2-3x+x-3=117 x^2-2x-3=117 x^2-2x-120=0 I split the middle term and got: x^2-12x+10x-120=0 What should I do next? I have no idea how to finish factoring this... thanks...

Chemistry
NaN3 is used in some automobile air bags. The impact of a collision triggers the decomposition of NaN3 as follows: 2NaN3(s) to 2Na(s) + 3N2(g). The nitrogen gas produced quickly inflates the air bag between the driver and the windshield. Calculate the volume of N2 generated at...

Chemistry
Dinitrogen pentoxide, N2O5, decomposes by a first-order reaction. What is the initial rate of decomposition of N2O5 when 3.6 g of N2O5 is confined in a 0.77 L container and heated to 65°C? For this reaction, k = 5.2 x 10^-3 s-1 in the rate law (for the rate of decomposition ...

Chemistry
For the gas phase decomposition of chloroethane, CH3CH2Cl C2H4 + HCl the rate constant at 723 K is 1.75E-4 /s and the rate constant at 769 K is 2.19E-3 /s. The activation energy for the gas phase decomposition of chloroethane is

Science
For carbon to move from an animal to a car, what processes need to happen? Photosynthesis, combustion, and respiration? Respiration, fossilization, and photosynthesis? Fossilization, decomposition, and respiration? Or respiration, photosynthesis, and decomposition?

Science
For carbon to move from an animal to a car, what processes need to happen? Photosynthesis, combustion, and respiration? Respiration, fossilization, and photosynthesis? Fossilization, decomposition, and respiration? Or respiration, photosynthesis, and decomposition?

Chemistry II (College)
How would I go about solving this problem? Can someone show me an equation that can be used? The decomposition of dimethyl ether at 504°C is a first-order reaction with a half-life of 27 min. (CH3)2O(g) CH4(g) + H2(g) + CO(g) What will be the total gas pressure after 2.18 h...

Chemistry II (College)
How would I go about solving this problem? Can someone show me an equation that can be used? The decomposition of dimethyl ether at 504°C is a first-order reaction with a half-life of 27 min. (CH3)2O(g) CH4(g) + H2(g) + CO(g) What will be the total gas pressure after 2.18 h...

Math
Partial Fraction Decomposition: 2x^2+x+8/ (x^2+4)^2

8H MAth
factoring

math factoring
2h^2-h-3=0

math factoring
2w(4w+1)=1

math
n^2+8n+12 factoring

mATH
x^2+3x-4=50 how do i do this by factoring

math algebra
Part 1: Which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring and why? 1. −b 2. b2 − 4ac 3. 2a Part 2: Create your own quadratic equation. Using complete sentences, and your answer from part 1, determine whether ...

Chemistry
H2O2 + Heat = H2O + O2 Would this be combustion or decomposition? Since the products are H2O and O2, I thought it would be combustion but then H2O can be decompose into H2O and O2 which would be decomposition.

chemistry
Solid sodium azide (NaN3) is used in air bags to fill them quickly upon impact. The solid NaN3 undergoes a decomposition reaction to produce Na(s) and N2(g). a. Provide the balanced equation for the decomposition of NaN3. b. What mass, in grams, of NaN3 is needed to fill the ...

Physical Science
1) Carbon dioxide is obtain from the air and changed into carbohydrates oxygen during the process of fossilization. respiration. digestion. photosynthesis. 2) Which sequence of processes must occur for an atom of carbon to go from car to tree? respiration, decomposition. ...

chemistry
Azomethane, CH3NNCH3, is not a stable compound, and once generated, it decomposes. The rate of decomposition was measured by monitoring the partial pressure of azomethane, in torr. Time (min) 0, 15, 30, 48, 75 Pressure(torr)36.2, 30, 24.9,19.3, 13.1 Determine the instantaneous...

Chemistry- Decomposition
What is the decomposition of AgC2H3O2? AgC2H3O2->?

math-factoring
how do you factor this 8x^3+27

math
how do you finish factoring 3x(x^2-2x-8)

math
solve by factoring 6x - 5 = 6/x

math
factoring strategy 9x^2 + 4y^2

math
how do i solve by factoring x^4+2x^2y^2+9y^4

math
solve by factoring. x^2+5x+6=0

math
solve by factoring.. 3x^2+5x-2=0

Math
Solve by factoring: (2x+9)(x-6)=0

Math
Will someone help me with factoring?

math
Solve by factoring: 2a^2-3a= -5

math
solve by factoring 2a^2+3=7a Thanks

math
Solve by Factoring 2a^2 - 3a = -5

Math-factoring
factor 5m^2-m-20

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