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Simplifying 4b(9b + 5) = 0 Reorder the terms: 4b(5 + 9b) = 0 (5 * 4b + 9b * 4b) = 0 (20b + 36b2) = 0 Solving 20b + 36b2 = 0 Solving for variable 'b'. Factor out the Greatest Common Factor (GCF), '4b'. 4b(5 + 9b) = 0 Ignore the factor 4.Subproblem 1
Set the factor 'b' equal to zero and attempt to solve: Simplifying b = 0 Solving b = 0 Move all terms containing b to the left, all other terms to the right. Simplifying b = 0Subproblem 2
Set the factor '(5 + 9b)' equal to zero and attempt to solve: Simplifying 5 + 9b = 0 Solving 5 + 9b = 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 + 9b = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 9b = 0 + -5 9b = 0 + -5 Combine like terms: 0 + -5 = -5 9b = -5 Divide each side by '9'. b = -0.5555555556 Simplifying b = -0.5555555556Solution
b = {0, -0.5555555556}
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