x(2x+6)(3x-9)=0

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Solution for x(2x+6)(3x-9)=0 equation:


Simplifying
x(2x + 6)(3x + -9) = 0

Reorder the terms:
x(6 + 2x)(3x + -9) = 0

Reorder the terms:
x(6 + 2x)(-9 + 3x) = 0

Multiply (6 + 2x) * (-9 + 3x)
x(6(-9 + 3x) + 2x * (-9 + 3x)) = 0
x((-9 * 6 + 3x * 6) + 2x * (-9 + 3x)) = 0
x((-54 + 18x) + 2x * (-9 + 3x)) = 0
x(-54 + 18x + (-9 * 2x + 3x * 2x)) = 0
x(-54 + 18x + (-18x + 6x2)) = 0

Combine like terms: 18x + -18x = 0
x(-54 + 0 + 6x2) = 0
x(-54 + 6x2) = 0
(-54 * x + 6x2 * x) = 0
(-54x + 6x3) = 0

Solving
-54x + 6x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '6x'.
6x(-9 + x2) = 0

Factor a difference between two squares.
6x((3 + x)(-3 + x)) = 0

Ignore the factor 6.

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 '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 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 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Subproblem 3

Set the factor '(-3 + x)' equal to zero and attempt to solve: Simplifying -3 + x = 0 Solving -3 + x = 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 + x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + x = 0 + 3 x = 0 + 3 Combine like terms: 0 + 3 = 3 x = 3 Simplifying x = 3

Solution

x = {0, -3, 3}

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