x^2+8x=513

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Solution for x^2+8x=513 equation:


Simplifying
x2 + 8x = 513

Reorder the terms:
8x + x2 = 513

Solving
8x + x2 = 513

Solving for variable 'x'.

Reorder the terms:
-513 + 8x + x2 = 513 + -513

Combine like terms: 513 + -513 = 0
-513 + 8x + x2 = 0

Factor a trinomial.
(-27 + -1x)(19 + -1x) = 0

Subproblem 1

Set the factor '(-27 + -1x)' equal to zero and attempt to solve: Simplifying -27 + -1x = 0 Solving -27 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '27' to each side of the equation. -27 + 27 + -1x = 0 + 27 Combine like terms: -27 + 27 = 0 0 + -1x = 0 + 27 -1x = 0 + 27 Combine like terms: 0 + 27 = 27 -1x = 27 Divide each side by '-1'. x = -27 Simplifying x = -27

Subproblem 2

Set the factor '(19 + -1x)' equal to zero and attempt to solve: Simplifying 19 + -1x = 0 Solving 19 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-19' to each side of the equation. 19 + -19 + -1x = 0 + -19 Combine like terms: 19 + -19 = 0 0 + -1x = 0 + -19 -1x = 0 + -19 Combine like terms: 0 + -19 = -19 -1x = -19 Divide each side by '-1'. x = 19 Simplifying x = 19

Solution

x = {-27, 19}

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