8x^2-7=-7-12x

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Solution for 8x^2-7=-7-12x equation:


Simplifying
8x2 + -7 = -7 + -12x

Reorder the terms:
-7 + 8x2 = -7 + -12x

Add '7' to each side of the equation.
-7 + 7 + 8x2 = -7 + 7 + -12x

Combine like terms: -7 + 7 = 0
0 + 8x2 = -7 + 7 + -12x
8x2 = -7 + 7 + -12x

Combine like terms: -7 + 7 = 0
8x2 = 0 + -12x
8x2 = -12x

Solving
8x2 = -12x

Solving for variable 'x'.

Reorder the terms:
12x + 8x2 = -12x + 12x

Combine like terms: -12x + 12x = 0
12x + 8x2 = 0

Factor out the Greatest Common Factor (GCF), '4x'.
4x(3 + 2x) = 0

Ignore the factor 4.

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 + 2x)' equal to zero and attempt to solve: Simplifying 3 + 2x = 0 Solving 3 + 2x = 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 + 2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2x = 0 + -3 2x = 0 + -3 Combine like terms: 0 + -3 = -3 2x = -3 Divide each side by '2'. x = -1.5 Simplifying x = -1.5

Solution

x = {0, -1.5}

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