6x^2+8x=128

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Solution for 6x^2+8x=128 equation:


Simplifying
6x2 + 8x = 128

Reorder the terms:
8x + 6x2 = 128

Solving
8x + 6x2 = 128

Solving for variable 'x'.

Reorder the terms:
-128 + 8x + 6x2 = 128 + -128

Combine like terms: 128 + -128 = 0
-128 + 8x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-64 + 4x + 3x2) = 0

Factor a trinomial.
2((-16 + -3x)(4 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-16 + -3x)' equal to zero and attempt to solve: Simplifying -16 + -3x = 0 Solving -16 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '16' to each side of the equation. -16 + 16 + -3x = 0 + 16 Combine like terms: -16 + 16 = 0 0 + -3x = 0 + 16 -3x = 0 + 16 Combine like terms: 0 + 16 = 16 -3x = 16 Divide each side by '-3'. x = -5.333333333 Simplifying x = -5.333333333

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 = {-5.333333333, 4}

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