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Simplifying 8b(b2 + -5b + 4) = 0 Reorder the terms: 8b(4 + -5b + b2) = 0 (4 * 8b + -5b * 8b + b2 * 8b) = 0 (32b + -40b2 + 8b3) = 0 Solving 32b + -40b2 + 8b3 = 0 Solving for variable 'b'. Factor out the Greatest Common Factor (GCF), '8b'. 8b(4 + -5b + b2) = 0 Factor a trinomial. 8b((1 + -1b)(4 + -1b)) = 0 Ignore the factor 8.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 '(1 + -1b)' equal to zero and attempt to solve: Simplifying 1 + -1b = 0 Solving 1 + -1b = 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 + -1b = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1b = 0 + -1 -1b = 0 + -1 Combine like terms: 0 + -1 = -1 -1b = -1 Divide each side by '-1'. b = 1 Simplifying b = 1Subproblem 3
Set the factor '(4 + -1b)' equal to zero and attempt to solve: Simplifying 4 + -1b = 0 Solving 4 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1b = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1b = 0 + -4 -1b = 0 + -4 Combine like terms: 0 + -4 = -4 -1b = -4 Divide each side by '-1'. b = 4 Simplifying b = 4Solution
b = {0, 1, 4}
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