Questions LLC
Login
or
Sign Up
Ask a New Question
Questions
Math
X^4+9x^3+9x^2= -81x
Is it 0,-9,-3, and 3
1 answer
Is it 0,-9,+3i,-3i
You can
ask a new question
or
answer this question
.
Similar Questions
Find the real-number solution of the equation. 3x^7 = 81x^4
I got this far... 3x^7 - 81x^4 = 0 x^4 (3x^3 - 81) = 0
Top answer:
3x^7 = 81x^4 divided both sides by 3 x^7 = 27x^4 divided both sides by x^4 x^3 = 27 take the cube
Read more.
A student is solving the equation 81x – 1 = 3x + 2.
Step 1: 81x – 1 = 3x + 2 Step 2: (34)x – 1 = 3x + 2 Step 3: 34x – 4 =
Top answer:
How do you get from step 1 to step 2? Do you have some typos? Subtract 3x and add 1 to both sides of
Read more.
81x^5 - 3x^2
Top answer:
3x^2 (27x^3 - 1) 3x^2 (3x-1)(9x^2 + 3x + 1)
Read more.
√81x^3/√3x
Top answer:
√81x^3/√3x = √(81x^3/3x) = √(27x^2) = 3x√3 Therefore, the simplified form of
Read more.
What is 81x-9
Top answer:
81x - 9 is an algebraic expression. It cannot be simplified further or solved without additional
Read more.
Solve x^(1/2)-(81x)^(1/4)-4=0
x^(1/2)-3(x)^(1/4)-4=0
Top answer:
If you let u = x^(1/4) your equation becomes much easier to look at: x^(1/2)-3x^(1/4)-4 = 0 u^2 - 3u
Read more.
(8+9x), (64-81x^2), (8-9x)
LCM is
Top answer:
Did you notice that (8+9x)(8-9x) = 64 - 81x^2 ? hint: what would be the LCM for 6 , 42, and 7 ? ,
Read more.
Can you simplify (9x)^-2 = -81x^2
Top answer:
Is the equal sign meant to be a minus sign, such as: (9x)^-2 -81x^2 If the equal sign is there, it
Read more.
Factorize 81x as far as possible.
Top answer:
81x = 3*3*3*3*x
Read more.
Given: x^x= 1/(3^1/9), find the value of: 81x^2 + 1/3x =?
Top answer:
I suspect a typo, since x^x is a rather intractable function, and 1/3^(1/9) does not resolve into
Read more.
Related Questions
Find the sum (assume |x| < 1/3):
1+3x+9x^2+27x^3+81x^4+...=?
Select all equivalent to -81x+27
Divide and simplify if possible
√81x^8/√3x
factor the expression 81x^2-54xy+9y^2 into product of binominials
Find the limit as x approaches infinity.
sqrt(81x^2 + x)− 9x. I've worked this two different ways and have gotten 0 and 1/9,
A factory installs new machinery that will save 1250−38x dollars per year, where x is the number of years since installation.
f(x)=x^6-2x^4-81x^2+162;-3
factor 25-81x^{2}
81x^(6)-25y^(10) Factor
divide and simplify if possible
√81x^8/ √3x