72+16b=8-b^2

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Solution for 72+16b=8-b^2 equation:


Simplifying
72 + 16b = 8 + -1b2

Solving
72 + 16b = 8 + -1b2

Solving for variable 'b'.

Reorder the terms:
72 + -8 + 16b + b2 = 8 + -1b2 + -8 + b2

Combine like terms: 72 + -8 = 64
64 + 16b + b2 = 8 + -1b2 + -8 + b2

Reorder the terms:
64 + 16b + b2 = 8 + -8 + -1b2 + b2

Combine like terms: 8 + -8 = 0
64 + 16b + b2 = 0 + -1b2 + b2
64 + 16b + b2 = -1b2 + b2

Combine like terms: -1b2 + b2 = 0
64 + 16b + b2 = 0

Factor a trinomial.
(8 + b)(8 + 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 '(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

Solution

b = {-8, -8}

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