(6x^3+18x^2)-3x^2=0

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Solution for (6x^3+18x^2)-3x^2=0 equation:


Simplifying
(6x3 + 18x2) + -3x2 = 0

Reorder the terms:
(18x2 + 6x3) + -3x2 = 0

Remove parenthesis around (18x2 + 6x3)
18x2 + 6x3 + -3x2 = 0

Reorder the terms:
18x2 + -3x2 + 6x3 = 0

Combine like terms: 18x2 + -3x2 = 15x2
15x2 + 6x3 = 0

Solving
15x2 + 6x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x2'.
3x2(5 + 2x) = 0

Ignore the factor 3.

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 '(5 + 2x)' equal to zero and attempt to solve: Simplifying 5 + 2x = 0 Solving 5 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2x = 0 + -5 2x = 0 + -5 Combine like terms: 0 + -5 = -5 2x = -5 Divide each side by '2'. x = -2.5 Simplifying x = -2.5

Solution

x = {0, -2.5}

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