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Simplifying d2 + 14d + 13 = 0 Reorder the terms: 13 + 14d + d2 = 0 Solving 13 + 14d + d2 = 0 Solving for variable 'd'. Factor a trinomial. (13 + d)(1 + d) = 0Subproblem 1
Set the factor '(13 + d)' equal to zero and attempt to solve: Simplifying 13 + d = 0 Solving 13 + d = 0 Move all terms containing d to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + d = 0 + -13 Combine like terms: 13 + -13 = 0 0 + d = 0 + -13 d = 0 + -13 Combine like terms: 0 + -13 = -13 d = -13 Simplifying d = -13Subproblem 2
Set the factor '(1 + d)' equal to zero and attempt to solve: Simplifying 1 + d = 0 Solving 1 + d = 0 Move all terms containing d to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + d = 0 + -1 Combine like terms: 1 + -1 = 0 0 + d = 0 + -1 d = 0 + -1 Combine like terms: 0 + -1 = -1 d = -1 Simplifying d = -1Solution
d = {-13, -1}
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