3x^2=96-12x

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Solution for 3x^2=96-12x equation:


Simplifying
3x2 = 96 + -12x

Solving
3x2 = 96 + -12x

Solving for variable 'x'.

Reorder the terms:
-96 + 12x + 3x2 = 96 + -12x + -96 + 12x

Reorder the terms:
-96 + 12x + 3x2 = 96 + -96 + -12x + 12x

Combine like terms: 96 + -96 = 0
-96 + 12x + 3x2 = 0 + -12x + 12x
-96 + 12x + 3x2 = -12x + 12x

Combine like terms: -12x + 12x = 0
-96 + 12x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-32 + 4x + x2) = 0

Factor a trinomial.
3((-8 + -1x)(4 + -1x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-8 + -1x)' equal to zero and attempt to solve: Simplifying -8 + -1x = 0 Solving -8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1x = 0 + 8 -1x = 0 + 8 Combine like terms: 0 + 8 = 8 -1x = 8 Divide each side by '-1'. x = -8 Simplifying x = -8

Subproblem 2

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {-8, 4}

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