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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. (-7 + -3b)(2 + -3b) = 0Subproblem 1
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 = -2.333333333Subproblem 2
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 = 0.6666666667Solution
b = {-2.333333333, 0.6666666667}
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