6x^2+12x-51=-3

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Solution for 6x^2+12x-51=-3 equation:


Simplifying
6x2 + 12x + -51 = -3

Reorder the terms:
-51 + 12x + 6x2 = -3

Solving
-51 + 12x + 6x2 = -3

Solving for variable 'x'.

Reorder the terms:
-51 + 3 + 12x + 6x2 = -3 + 3

Combine like terms: -51 + 3 = -48
-48 + 12x + 6x2 = -3 + 3

Combine like terms: -3 + 3 = 0
-48 + 12x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '6'.
6(-8 + 2x + x2) = 0

Factor a trinomial.
6((-4 + -1x)(2 + -1x)) = 0

Ignore the factor 6.

Subproblem 1

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

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {-4, 2}

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