(3x^3-18x^2)(-2x+12)=0

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Solution for (3x^3-18x^2)(-2x+12)=0 equation:


Simplifying
(3x3 + -18x2)(-2x + 12) = 0

Reorder the terms:
(-18x2 + 3x3)(-2x + 12) = 0

Reorder the terms:
(-18x2 + 3x3)(12 + -2x) = 0

Multiply (-18x2 + 3x3) * (12 + -2x)
(-18x2 * (12 + -2x) + 3x3 * (12 + -2x)) = 0
((12 * -18x2 + -2x * -18x2) + 3x3 * (12 + -2x)) = 0
((-216x2 + 36x3) + 3x3 * (12 + -2x)) = 0
(-216x2 + 36x3 + (12 * 3x3 + -2x * 3x3)) = 0
(-216x2 + 36x3 + (36x3 + -6x4)) = 0

Combine like terms: 36x3 + 36x3 = 72x3
(-216x2 + 72x3 + -6x4) = 0

Solving
-216x2 + 72x3 + -6x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '6x2'.
6x2(-36 + 12x + -1x2) = 0

Factor a trinomial.
6x2((-6 + x)(6 + -1x)) = 0

Ignore the factor 6.

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 '(-6 + x)' equal to zero and attempt to solve: Simplifying -6 + x = 0 Solving -6 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + x = 0 + 6 x = 0 + 6 Combine like terms: 0 + 6 = 6 x = 6 Simplifying x = 6

Subproblem 3

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Solution

x = {0, 6, 6}

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