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Simplifying 3b(-9 + -7b) = 0 (-9 * 3b + -7b * 3b) = 0 (-27b + -21b2) = 0 Solving -27b + -21b2 = 0 Solving for variable 'b'. Factor out the Greatest Common Factor (GCF), '-3b'. -3b(9 + 7b) = 0 Ignore the factor -3.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 '(9 + 7b)' equal to zero and attempt to solve: Simplifying 9 + 7b = 0 Solving 9 + 7b = 0 Move all terms containing b to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 7b = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 7b = 0 + -9 7b = 0 + -9 Combine like terms: 0 + -9 = -9 7b = -9 Divide each side by '7'. b = -1.285714286 Simplifying b = -1.285714286Solution
b = {0, -1.285714286}
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