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Simplifying 9b2 = 15b + 14 Reorder the terms: 9b2 = 14 + 15b Solving 9b2 = 14 + 15b Solving for variable 'b'. Reorder the terms: -14 + -15b + 9b2 = 14 + 15b + -14 + -15b Reorder the terms: -14 + -15b + 9b2 = 14 + -14 + 15b + -15b Combine like terms: 14 + -14 = 0 -14 + -15b + 9b2 = 0 + 15b + -15b -14 + -15b + 9b2 = 15b + -15b Combine like terms: 15b + -15b = 0 -14 + -15b + 9b2 = 0 Factor a trinomial. (-2 + -3b)(7 + -3b) = 0Subproblem 1
Set the factor '(-2 + -3b)' equal to zero and attempt to solve: Simplifying -2 + -3b = 0 Solving -2 + -3b = 0 Move all terms containing b to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -3b = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -3b = 0 + 2 -3b = 0 + 2 Combine like terms: 0 + 2 = 2 -3b = 2 Divide each side by '-3'. b = -0.6666666667 Simplifying b = -0.6666666667Subproblem 2
Set the factor '(7 + -3b)' equal to zero and attempt to solve: Simplifying 7 + -3b = 0 Solving 7 + -3b = 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 + -3b = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3b = 0 + -7 -3b = 0 + -7 Combine like terms: 0 + -7 = -7 -3b = -7 Divide each side by '-3'. b = 2.333333333 Simplifying b = 2.333333333Solution
b = {-0.6666666667, 2.333333333}
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