s^2+15s=-56

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Solution for s^2+15s=-56 equation:


Simplifying
s2 + 15s = -56

Reorder the terms:
15s + s2 = -56

Solving
15s + s2 = -56

Solving for variable 's'.

Reorder the terms:
56 + 15s + s2 = -56 + 56

Combine like terms: -56 + 56 = 0
56 + 15s + s2 = 0

Factor a trinomial.
(8 + s)(7 + s) = 0

Subproblem 1

Set the factor '(8 + s)' equal to zero and attempt to solve: Simplifying 8 + s = 0 Solving 8 + s = 0 Move all terms containing s to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + s = 0 + -8 Combine like terms: 8 + -8 = 0 0 + s = 0 + -8 s = 0 + -8 Combine like terms: 0 + -8 = -8 s = -8 Simplifying s = -8

Subproblem 2

Set the factor '(7 + s)' equal to zero and attempt to solve: Simplifying 7 + s = 0 Solving 7 + s = 0 Move all terms containing s to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + s = 0 + -7 Combine like terms: 7 + -7 = 0 0 + s = 0 + -7 s = 0 + -7 Combine like terms: 0 + -7 = -7 s = -7 Simplifying s = -7

Solution

s = {-8, -7}

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