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

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


Simplifying
2x(x + -3)(x + 8) = 0

Reorder the terms:
2x(-3 + x)(x + 8) = 0

Reorder the terms:
2x(-3 + x)(8 + x) = 0

Multiply (-3 + x) * (8 + x)
2x(-3(8 + x) + x(8 + x)) = 0
2x((8 * -3 + x * -3) + x(8 + x)) = 0
2x((-24 + -3x) + x(8 + x)) = 0
2x(-24 + -3x + (8 * x + x * x)) = 0
2x(-24 + -3x + (8x + x2)) = 0

Combine like terms: -3x + 8x = 5x
2x(-24 + 5x + x2) = 0
(-24 * 2x + 5x * 2x + x2 * 2x) = 0
(-48x + 10x2 + 2x3) = 0

Solving
-48x + 10x2 + 2x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2x'.
2x(-24 + 5x + x2) = 0

Factor a trinomial.
2x((-8 + -1x)(3 + -1x)) = 0

Ignore the factor 2.

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 '(-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

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, -8, 3}

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