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Simplifying (b + -3)(b + -5) = 0 Reorder the terms: (-3 + b)(b + -5) = 0 Reorder the terms: (-3 + b)(-5 + b) = 0 Multiply (-3 + b) * (-5 + b) (-3(-5 + b) + b(-5 + b)) = 0 ((-5 * -3 + b * -3) + b(-5 + b)) = 0 ((15 + -3b) + b(-5 + b)) = 0 (15 + -3b + (-5 * b + b * b)) = 0 (15 + -3b + (-5b + b2)) = 0 Combine like terms: -3b + -5b = -8b (15 + -8b + b2) = 0 Solving 15 + -8b + b2 = 0 Solving for variable 'b'. Factor a trinomial. (3 + -1b)(5 + -1b) = 0Subproblem 1
Set the factor '(3 + -1b)' equal to zero and attempt to solve: Simplifying 3 + -1b = 0 Solving 3 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1b = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1b = 0 + -3 -1b = 0 + -3 Combine like terms: 0 + -3 = -3 -1b = -3 Divide each side by '-1'. b = 3 Simplifying b = 3Subproblem 2
Set the factor '(5 + -1b)' equal to zero and attempt to solve: Simplifying 5 + -1b = 0 Solving 5 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1b = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1b = 0 + -5 -1b = 0 + -5 Combine like terms: 0 + -5 = -5 -1b = -5 Divide each side by '-1'. b = 5 Simplifying b = 5Solution
b = {3, 5}
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