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Simplifying -8d2 + -7d = 0 Reorder the terms: -7d + -8d2 = 0 Solving -7d + -8d2 = 0 Solving for variable 'd'. Factor out the Greatest Common Factor (GCF), '-1d'. -1d(7 + 8d) = 0 Ignore the factor -1.Subproblem 1
Set the factor 'd' equal to zero and attempt to solve: Simplifying d = 0 Solving d = 0 Move all terms containing d to the left, all other terms to the right. Simplifying d = 0Subproblem 2
Set the factor '(7 + 8d)' equal to zero and attempt to solve: Simplifying 7 + 8d = 0 Solving 7 + 8d = 0 Move all terms containing d to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 8d = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 8d = 0 + -7 8d = 0 + -7 Combine like terms: 0 + -7 = -7 8d = -7 Divide each side by '8'. d = -0.875 Simplifying d = -0.875Solution
d = {0, -0.875}
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