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Simplifying (3b + 1)(b + -2) = 0 Reorder the terms: (1 + 3b)(b + -2) = 0 Reorder the terms: (1 + 3b)(-2 + b) = 0 Multiply (1 + 3b) * (-2 + b) (1(-2 + b) + 3b * (-2 + b)) = 0 ((-2 * 1 + b * 1) + 3b * (-2 + b)) = 0 ((-2 + 1b) + 3b * (-2 + b)) = 0 (-2 + 1b + (-2 * 3b + b * 3b)) = 0 (-2 + 1b + (-6b + 3b2)) = 0 Combine like terms: 1b + -6b = -5b (-2 + -5b + 3b2) = 0 Solving -2 + -5b + 3b2 = 0 Solving for variable 'b'. Factor a trinomial. (-1 + -3b)(2 + -1b) = 0Subproblem 1
Set the factor '(-1 + -3b)' equal to zero and attempt to solve: Simplifying -1 + -3b = 0 Solving -1 + -3b = 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 + -3b = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -3b = 0 + 1 -3b = 0 + 1 Combine like terms: 0 + 1 = 1 -3b = 1 Divide each side by '-3'. b = -0.3333333333 Simplifying b = -0.3333333333Subproblem 2
Set the factor '(2 + -1b)' equal to zero and attempt to solve: Simplifying 2 + -1b = 0 Solving 2 + -1b = 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 + -1b = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1b = 0 + -2 -1b = 0 + -2 Combine like terms: 0 + -2 = -2 -1b = -2 Divide each side by '-1'. b = 2 Simplifying b = 2Solution
b = {-0.3333333333, 2}
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