b^2=-15b-56

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Solution for b^2=-15b-56 equation:


Simplifying
b2 = -15b + -56

Reorder the terms:
b2 = -56 + -15b

Solving
b2 = -56 + -15b

Solving for variable 'b'.

Reorder the terms:
56 + 15b + b2 = -56 + -15b + 56 + 15b

Reorder the terms:
56 + 15b + b2 = -56 + 56 + -15b + 15b

Combine like terms: -56 + 56 = 0
56 + 15b + b2 = 0 + -15b + 15b
56 + 15b + b2 = -15b + 15b

Combine like terms: -15b + 15b = 0
56 + 15b + b2 = 0

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

Subproblem 1

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

Subproblem 2

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

Solution

b = {-8, -7}

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