6x^2+11x-16=x+8

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Solution for 6x^2+11x-16=x+8 equation:


Simplifying
6x2 + 11x + -16 = x + 8

Reorder the terms:
-16 + 11x + 6x2 = x + 8

Reorder the terms:
-16 + 11x + 6x2 = 8 + x

Solving
-16 + 11x + 6x2 = 8 + x

Solving for variable 'x'.

Reorder the terms:
-16 + -8 + 11x + -1x + 6x2 = 8 + x + -8 + -1x

Combine like terms: -16 + -8 = -24
-24 + 11x + -1x + 6x2 = 8 + x + -8 + -1x

Combine like terms: 11x + -1x = 10x
-24 + 10x + 6x2 = 8 + x + -8 + -1x

Reorder the terms:
-24 + 10x + 6x2 = 8 + -8 + x + -1x

Combine like terms: 8 + -8 = 0
-24 + 10x + 6x2 = 0 + x + -1x
-24 + 10x + 6x2 = x + -1x

Combine like terms: x + -1x = 0
-24 + 10x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-12 + 5x + 3x2) = 0

Factor a trinomial.
2((-3 + -1x)(4 + -3x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 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 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

Subproblem 2

Set the factor '(4 + -3x)' equal to zero and attempt to solve: Simplifying 4 + -3x = 0 Solving 4 + -3x = 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 + -3x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3x = 0 + -4 -3x = 0 + -4 Combine like terms: 0 + -4 = -4 -3x = -4 Divide each side by '-3'. x = 1.333333333 Simplifying x = 1.333333333

Solution

x = {-3, 1.333333333}

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