4x(x-9)(x+9)=

Simple and best practice solution for 4x(x-9)(x+9)= equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 4x(x-9)(x+9)= equation: 


Simplifying
4x(x + -9)(x + 9) = 0

Reorder the terms:
4x(-9 + x)(x + 9) = 0

Reorder the terms:
4x(-9 + x)(9 + x) = 0

Multiply (-9 + x) * (9 + x)
4x(-9(9 + x) + x(9 + x)) = 0
4x((9 * -9 + x * -9) + x(9 + x)) = 0
4x((-81 + -9x) + x(9 + x)) = 0
4x(-81 + -9x + (9 * x + x * x)) = 0
4x(-81 + -9x + (9x + x2)) = 0

Combine like terms: -9x + 9x = 0
4x(-81 + 0 + x2) = 0
4x(-81 + x2) = 0
(-81 * 4x + x2 * 4x) = 0
(-324x + 4x3) = 0

Solving
-324x + 4x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4x'.
4x(-81 + x2) = 0

Factor a difference between two squares.
4x((9 + x)(-9 + x)) = 0

Ignore the factor 4.

Subproblem 1
Set the factor 'x' equal to zero and attempt to solve:

Simplifying
x = 0

Solving
x = 0

Move all terms containing x to the left, all other terms to the right.

Simplifying
x = 0

Subproblem 2
Set the factor '(9 + x)' equal to zero and attempt to solve:

Simplifying
9 + x = 0

Solving
9 + x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-9' to each side of the equation.
9 + -9 + x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + x = 0 + -9
x = 0 + -9

Combine like terms: 0 + -9 = -9
x = -9

Simplifying
x = -9

Subproblem 3
Set the factor '(-9 + x)' equal to zero and attempt to solve:

Simplifying
-9 + x = 0

Solving
-9 + x = 0

Move all terms containing x to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + 9 + x = 0 + 9

Combine like terms: -9 + 9 = 0
0 + x = 0 + 9
x = 0 + 9

Combine like terms: 0 + 9 = 9
x = 9

Simplifying
x = 9
Solution
x = {0, -9, 9}

See similar equations:

| 6(x+2)-5= | | 2x+x=y | | 6(-4b)-5= | | 4+4b+5=9 | | -3v-3v=6 | | X+25=x+16 | | 2x+xy=15 | | 6n-3+2=-7 | | -6-n=10 | | 4a-6+3a=1 | | 10-4x+8=-x+5x+2 | | abs(x^2-2x-8)+abs(x^2-8x+15)=6x-23 | | -(2b+4)+(15b-8)=0 | | 7(-9b)+1= | | 11x+6=20x+33 | | X^2+4X=105 | | -4+4a=32 | | 1/3*3.14*3*3*6 | | -n=4/21 | | 5x+23=10 | | 7g+4=4g | | v=1/38*3.14*3*3*6 | | 50-x=-2 | | xa+xb=xc | | -12x+5=5x+13 | | -38=-4p+10 | | 6x+1+9x+6+82=180 | | 21x+15-8x=17-x+37 | | 26=-4v-6 | | 9x-2x+7=11x+3x-21 | | 2/3x60 | | 7x-5+6-15x=24x+40-39 |

Equations solver categories