(2x^3)-(30x^2)+(72x)=0

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Solution for (2x^3)-(30x^2)+(72x)=0 equation:


Simplifying
(2x3) + -1(30x2) + (72x) = 0

Remove parenthesis around (30x2)
(2x3) + -1 * 30x2 + (72x) = 0

Multiply -1 * 30
(2x3) + -30x2 + (72x) = 0

Reorder the terms:
(72x) + -30x2 + (2x3) = 0

Solving
(72x) + -30x2 + (2x3) = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2x'.
2x(36 + -15x + x2) = 0

Factor a trinomial.
2x((3 + -1x)(12 + -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 '(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

Subproblem 3

Set the factor '(12 + -1x)' equal to zero and attempt to solve: Simplifying 12 + -1x = 0 Solving 12 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + -1x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + -1x = 0 + -12 -1x = 0 + -12 Combine like terms: 0 + -12 = -12 -1x = -12 Divide each side by '-1'. x = 12 Simplifying x = 12

Solution

x = {0, 3, 12}

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