2x^2+4x-8=502

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Solution for 2x^2+4x-8=502 equation:


Simplifying
2x2 + 4x + -8 = 502

Reorder the terms:
-8 + 4x + 2x2 = 502

Solving
-8 + 4x + 2x2 = 502

Solving for variable 'x'.

Reorder the terms:
-8 + -502 + 4x + 2x2 = 502 + -502

Combine like terms: -8 + -502 = -510
-510 + 4x + 2x2 = 502 + -502

Combine like terms: 502 + -502 = 0
-510 + 4x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-255 + 2x + x2) = 0

Factor a trinomial.
2((-17 + -1x)(15 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-17 + -1x)' equal to zero and attempt to solve: Simplifying -17 + -1x = 0 Solving -17 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '17' to each side of the equation. -17 + 17 + -1x = 0 + 17 Combine like terms: -17 + 17 = 0 0 + -1x = 0 + 17 -1x = 0 + 17 Combine like terms: 0 + 17 = 17 -1x = 17 Divide each side by '-1'. x = -17 Simplifying x = -17

Subproblem 2

Set the factor '(15 + -1x)' equal to zero and attempt to solve: Simplifying 15 + -1x = 0 Solving 15 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + -1x = 0 + -15 Combine like terms: 15 + -15 = 0 0 + -1x = 0 + -15 -1x = 0 + -15 Combine like terms: 0 + -15 = -15 -1x = -15 Divide each side by '-1'. x = 15 Simplifying x = 15

Solution

x = {-17, 15}

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