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Simplifying 4d2 + 4d + -2 = -3 Reorder the terms: -2 + 4d + 4d2 = -3 Solving -2 + 4d + 4d2 = -3 Solving for variable 'd'. Reorder the terms: -2 + 3 + 4d + 4d2 = -3 + 3 Combine like terms: -2 + 3 = 1 1 + 4d + 4d2 = -3 + 3 Combine like terms: -3 + 3 = 0 1 + 4d + 4d2 = 0 Factor a trinomial. (1 + 2d)(1 + 2d) = 0Subproblem 1
Set the factor '(1 + 2d)' equal to zero and attempt to solve: Simplifying 1 + 2d = 0 Solving 1 + 2d = 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 + 2d = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2d = 0 + -1 2d = 0 + -1 Combine like terms: 0 + -1 = -1 2d = -1 Divide each side by '2'. d = -0.5 Simplifying d = -0.5Subproblem 2
Set the factor '(1 + 2d)' equal to zero and attempt to solve: Simplifying 1 + 2d = 0 Solving 1 + 2d = 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 + 2d = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2d = 0 + -1 2d = 0 + -1 Combine like terms: 0 + -1 = -1 2d = -1 Divide each side by '2'. d = -0.5 Simplifying d = -0.5Solution
d = {-0.5, -0.5}
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