b^2=-9b-8

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Solution for b^2=-9b-8 equation:


Simplifying
b2 = -9b + -8

Reorder the terms:
b2 = -8 + -9b

Solving
b2 = -8 + -9b

Solving for variable 'b'.

Reorder the terms:
8 + 9b + b2 = -8 + -9b + 8 + 9b

Reorder the terms:
8 + 9b + b2 = -8 + 8 + -9b + 9b

Combine like terms: -8 + 8 = 0
8 + 9b + b2 = 0 + -9b + 9b
8 + 9b + b2 = -9b + 9b

Combine like terms: -9b + 9b = 0
8 + 9b + b2 = 0

Factor a trinomial.
(8 + b)(1 + 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 '(1 + b)' equal to zero and attempt to solve: Simplifying 1 + b = 0 Solving 1 + b = 0 Move all terms containing b to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + b = 0 + -1 Combine like terms: 1 + -1 = 0 0 + b = 0 + -1 b = 0 + -1 Combine like terms: 0 + -1 = -1 b = -1 Simplifying b = -1

Solution

b = {-8, -1}

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