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Simplifying 20d2 + 88d + 32 = 0 Reorder the terms: 32 + 88d + 20d2 = 0 Solving 32 + 88d + 20d2 = 0 Solving for variable 'd'. Factor out the Greatest Common Factor (GCF), '4'. 4(8 + 22d + 5d2) = 0 Factor a trinomial. 4((4 + d)(2 + 5d)) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(4 + d)' equal to zero and attempt to solve: Simplifying 4 + d = 0 Solving 4 + d = 0 Move all terms containing d to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + d = 0 + -4 Combine like terms: 4 + -4 = 0 0 + d = 0 + -4 d = 0 + -4 Combine like terms: 0 + -4 = -4 d = -4 Simplifying d = -4Subproblem 2
Set the factor '(2 + 5d)' equal to zero and attempt to solve: Simplifying 2 + 5d = 0 Solving 2 + 5d = 0 Move all terms containing d to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 5d = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 5d = 0 + -2 5d = 0 + -2 Combine like terms: 0 + -2 = -2 5d = -2 Divide each side by '5'. d = -0.4 Simplifying d = -0.4Solution
d = {-4, -0.4}
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