x^2(x-3)(x+9)=0

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Solution for x^2(x-3)(x+9)=0 equation: 


Simplifying
x2(x + -3)(x + 9) = 0

Reorder the terms:
x2(-3 + x)(x + 9) = 0

Reorder the terms:
x2(-3 + x)(9 + x) = 0

Multiply (-3 + x) * (9 + x)
x2(-3(9 + x) + x(9 + x)) = 0
x2((9 * -3 + x * -3) + x(9 + x)) = 0
x2((-27 + -3x) + x(9 + x)) = 0
x2(-27 + -3x + (9 * x + x * x)) = 0
x2(-27 + -3x + (9x + x2)) = 0

Combine like terms: -3x + 9x = 6x
x2(-27 + 6x + x2) = 0
(-27 * x2 + 6x * x2 + x2 * x2) = 0
(-27x2 + 6x3 + x4) = 0

Solving
-27x2 + 6x3 + x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x2'.
x2(-27 + 6x + x2) = 0

Factor a trinomial.
x2((-9 + -1x)(3 + -1x)) = 0


Subproblem 1
Set the factor 'x2' equal to zero and attempt to solve:

Simplifying
x2 = 0

Solving
x2 = 0

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

Simplifying
x2 = 0

Take the square root of each side:
x = {0}

Subproblem 2
Set the factor '(-9 + -1x)' equal to zero and attempt to solve:

Simplifying
-9 + -1x = 0

Solving
-9 + -1x = 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 + -1x = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -1x = 0 + 9
-1x = 0 + 9

Combine like terms: 0 + 9 = 9
-1x = 9

Divide each side by '-1'.
x = -9

Simplifying
x = -9

Subproblem 3
Set the factor '(3 + -1x)' equal to zero and attempt to solve:

Simplifying
3 + -1x = 0

Solving
3 + -1x = 0

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

Add '-3' to each side of the equation.
3 + -3 + -1x = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1x = 0 + -3
-1x = 0 + -3

Combine like terms: 0 + -3 = -3
-1x = -3

Divide each side by '-1'.
x = 3

Simplifying
x = 3
Solution
x = {0, -9, 3}

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