18d^2+30d+8=0

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Solution for 18d^2+30d+8=0 equation:


Simplifying
18d2 + 30d + 8 = 0

Reorder the terms:
8 + 30d + 18d2 = 0

Solving
8 + 30d + 18d2 = 0

Solving for variable 'd'.

Factor out the Greatest Common Factor (GCF), '2'.
2(4 + 15d + 9d2) = 0

Factor a trinomial.
2((4 + 3d)(1 + 3d)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(4 + 3d)' equal to zero and attempt to solve: Simplifying 4 + 3d = 0 Solving 4 + 3d = 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 + 3d = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 3d = 0 + -4 3d = 0 + -4 Combine like terms: 0 + -4 = -4 3d = -4 Divide each side by '3'. d = -1.333333333 Simplifying d = -1.333333333

Subproblem 2

Set the factor '(1 + 3d)' equal to zero and attempt to solve: Simplifying 1 + 3d = 0 Solving 1 + 3d = 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 + 3d = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3d = 0 + -1 3d = 0 + -1 Combine like terms: 0 + -1 = -1 3d = -1 Divide each side by '3'. d = -0.3333333333 Simplifying d = -0.3333333333

Solution

d = {-1.333333333, -0.3333333333}

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