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Simplifying 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. (1 + -1b)(8 + -1b) = 0Subproblem 1
Set the factor '(1 + -1b)' equal to zero and attempt to solve: Simplifying 1 + -1b = 0 Solving 1 + -1b = 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 + -1b = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1b = 0 + -1 -1b = 0 + -1 Combine like terms: 0 + -1 = -1 -1b = -1 Divide each side by '-1'. b = 1 Simplifying b = 1Subproblem 2
Set the factor '(8 + -1b)' equal to zero and attempt to solve: Simplifying 8 + -1b = 0 Solving 8 + -1b = 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 + -1b = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1b = 0 + -8 -1b = 0 + -8 Combine like terms: 0 + -8 = -8 -1b = -8 Divide each side by '-1'. b = 8 Simplifying b = 8Solution
b = {1, 8}
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