8x^2=86x+234

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Solution for 8x^2=86x+234 equation:


Simplifying
8x2 = 86x + 234

Reorder the terms:
8x2 = 234 + 86x

Solving
8x2 = 234 + 86x

Solving for variable 'x'.

Reorder the terms:
-234 + -86x + 8x2 = 234 + 86x + -234 + -86x

Reorder the terms:
-234 + -86x + 8x2 = 234 + -234 + 86x + -86x

Combine like terms: 234 + -234 = 0
-234 + -86x + 8x2 = 0 + 86x + -86x
-234 + -86x + 8x2 = 86x + -86x

Combine like terms: 86x + -86x = 0
-234 + -86x + 8x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-117 + -43x + 4x2) = 0

Factor a trinomial.
2((-9 + -4x)(13 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-9 + -4x)' equal to zero and attempt to solve: Simplifying -9 + -4x = 0 Solving -9 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -4x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -4x = 0 + 9 -4x = 0 + 9 Combine like terms: 0 + 9 = 9 -4x = 9 Divide each side by '-4'. x = -2.25 Simplifying x = -2.25

Subproblem 2

Set the factor '(13 + -1x)' equal to zero and attempt to solve: Simplifying 13 + -1x = 0 Solving 13 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + -1x = 0 + -13 Combine like terms: 13 + -13 = 0 0 + -1x = 0 + -13 -1x = 0 + -13 Combine like terms: 0 + -13 = -13 -1x = -13 Divide each side by '-1'. x = 13 Simplifying x = 13

Solution

x = {-2.25, 13}

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