b^2=-8b-16

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Solution for b^2=-8b-16 equation:


Simplifying
b2 = -8b + -16

Reorder the terms:
b2 = -16 + -8b

Solving
b2 = -16 + -8b

Solving for variable 'b'.

Reorder the terms:
16 + 8b + b2 = -16 + -8b + 16 + 8b

Reorder the terms:
16 + 8b + b2 = -16 + 16 + -8b + 8b

Combine like terms: -16 + 16 = 0
16 + 8b + b2 = 0 + -8b + 8b
16 + 8b + b2 = -8b + 8b

Combine like terms: -8b + 8b = 0
16 + 8b + b2 = 0

Factor a trinomial.
(4 + b)(4 + b) = 0

Subproblem 1

Set the factor '(4 + b)' equal to zero and attempt to solve: Simplifying 4 + b = 0 Solving 4 + b = 0 Move all terms containing b to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + b = 0 + -4 Combine like terms: 4 + -4 = 0 0 + b = 0 + -4 b = 0 + -4 Combine like terms: 0 + -4 = -4 b = -4 Simplifying b = -4

Subproblem 2

Set the factor '(4 + b)' equal to zero and attempt to solve: Simplifying 4 + b = 0 Solving 4 + b = 0 Move all terms containing b to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + b = 0 + -4 Combine like terms: 4 + -4 = 0 0 + b = 0 + -4 b = 0 + -4 Combine like terms: 0 + -4 = -4 b = -4 Simplifying b = -4

Solution

b = {-4, -4}

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