# Algebra

I need help to solve this problem by factoring: 2x^2-x-3=0

1. 👍 0
2. 👎 0
3. 👁 155
1. (2x-3)(x+1)

1. 👍 0
2. 👎 0
2. 2x^2-x-3=0
first step: 2*2x^-x-3=0
4x^-x-3=0
(4x^-4x)+(3x-3)=0
4x(x-1)+3(x-1)
(4x+3)(x-1)=0
(4x+3)=0 (x-1)=0
4x+3=0 X-1=0
-3 -3 -1 -1
4x=-3 x=-1
x=-3/4
Therefore, X=(-3/4, -1)

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Algebra A

write a short story problem that can be solved in one step. Write an equation that represents the problem. Name the property used to solve the problem, and then solve the problem. can anyone give me the problem and the name of the

2. ### Math

Solve by factoring. x² - 121 = 0 0 -11 11 11, -11 Solve by factoring. m² + 8m + 7 = 0 8,7 -7, 1 -7, -1 7, 1

I couldn't find the sets of factors that add up to -13 in this problem. Plz help, anything is greatly appreciated! x^2-13x+36 Thx for helping ppl! you could use the quad. eqn which is -b plus or munus sq root of b squared minus 4

4. ### Algebra Zero Product Rule

I'm working with the zero product rule and I've somehow lost my way on a certain problem pattern. (x+8)(x-3)= -30 Is the pattern and the answer in the book says -2 or -3, but when I do the problem... x²+5x-24= -30 x²+5x+6= 0

1. ### 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

2. ### algebra

can someone help me understand how to solve this... i have no idea what to do! why are the letters in the problem? factoring strategy 9x^2 + 4y^2

3. ### Math

I need help on factoring monomials in quadratic form. The problem is: a² + 17a + 16 I know that the first step is to multiply 16 times the coefficient of "a", which is 1. I get 16. Now I have to fill in factors that when

4. ### 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

1. ### Child development

Using these steps, consider a cognitive “problem” a young child might encounter that he/she needs help with (such as putting together a puzzle, sequencing – putting items in order, sorting by color or size, adding,

2. ### Pre algebra

How do I solve Quadratic equations by factoring? (for example how would I solve n2 - 10n = -21 if I was supposed to get the answers 7 and 3?

3. ### algebra problem that is causing me headaches

I have no real method for this problem other than trail and error and foil. I have come up with some amny variations until I am on my second sheet of paper! The closet I have gotten to factoring/solving this problem so far is....

4. ### math

Solve by factoring x^2+4x+5=0 need help