0=3x^2+18x

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Solution for 0=3x^2+18x equation:


Simplifying
0 = 3x2 + 18x

Reorder the terms:
0 = 18x + 3x2

Solving
0 = 18x + 3x2

Solving for variable 'x'.
Remove the zero:
-18x + -3x2 = 18x + 3x2 + -18x + -3x2

Reorder the terms:
-18x + -3x2 = 18x + -18x + 3x2 + -3x2

Combine like terms: 18x + -18x = 0
-18x + -3x2 = 0 + 3x2 + -3x2
-18x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-18x + -3x2 = 0

Factor out the Greatest Common Factor (GCF), '-3x'.
-3x(6 + x) = 0

Ignore the factor -3.

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 '(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

Solution

x = {0, -6}

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