2x^2+15x-12=5x^2-12

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Solution for 2x^2+15x-12=5x^2-12 equation:


Simplifying
2x2 + 15x + -12 = 5x2 + -12

Reorder the terms:
-12 + 15x + 2x2 = 5x2 + -12

Reorder the terms:
-12 + 15x + 2x2 = -12 + 5x2

Add '12' to each side of the equation.
-12 + 15x + 12 + 2x2 = -12 + 12 + 5x2

Reorder the terms:
-12 + 12 + 15x + 2x2 = -12 + 12 + 5x2

Combine like terms: -12 + 12 = 0
0 + 15x + 2x2 = -12 + 12 + 5x2
15x + 2x2 = -12 + 12 + 5x2

Combine like terms: -12 + 12 = 0
15x + 2x2 = 0 + 5x2
15x + 2x2 = 5x2

Solving
15x + 2x2 = 5x2

Solving for variable 'x'.

Combine like terms: 2x2 + -5x2 = -3x2
15x + -3x2 = 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
15x + -3x2 = 0

Factor out the Greatest Common Factor (GCF), '3x'.
3x(5 + -1x) = 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 '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {0, 5}

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