2x^3(x-8)(x+9)=0

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Solution for 2x^3(x-8)(x+9)=0 equation: 


Simplifying
2x3(x + -8)(x + 9) = 0

Reorder the terms:
2x3(-8 + x)(x + 9) = 0

Reorder the terms:
2x3(-8 + x)(9 + x) = 0

Multiply (-8 + x) * (9 + x)
2x3(-8(9 + x) + x(9 + x)) = 0
2x3((9 * -8 + x * -8) + x(9 + x)) = 0
2x3((-72 + -8x) + x(9 + x)) = 0
2x3(-72 + -8x + (9 * x + x * x)) = 0
2x3(-72 + -8x + (9x + x2)) = 0

Combine like terms: -8x + 9x = 1x
2x3(-72 + 1x + x2) = 0
(-72 * 2x3 + 1x * 2x3 + x2 * 2x3) = 0
(-144x3 + 2x4 + 2x5) = 0

Solving
-144x3 + 2x4 + 2x5 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2x3'.
2x3(-72 + x + x2) = 0

Factor a trinomial.
2x3((-9 + -1x)(8 + -1x)) = 0

Ignore the factor 2.

Subproblem 1
Set the factor 'x3' equal to zero and attempt to solve:

Simplifying
x3 = 0

Solving
x3 = 0

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

Simplifying
x3 = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

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 '(8 + -1x)' equal to zero and attempt to solve:

Simplifying
8 + -1x = 0

Solving
8 + -1x = 0

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

Add '-8' to each side of the equation.
8 + -8 + -1x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -1x = 0 + -8
-1x = 0 + -8

Combine like terms: 0 + -8 = -8
-1x = -8

Divide each side by '-1'.
x = 8

Simplifying
x = 8
Solution
x = {-9, 8}

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