x^2+15x=76

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Solution for x^2+15x=76 equation:


Simplifying
x2 + 15x = 76

Reorder the terms:
15x + x2 = 76

Solving
15x + x2 = 76

Solving for variable 'x'.

Reorder the terms:
-76 + 15x + x2 = 76 + -76

Combine like terms: 76 + -76 = 0
-76 + 15x + x2 = 0

Factor a trinomial.
(-19 + -1x)(4 + -1x) = 0

Subproblem 1

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

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 = {-19, 4}

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