6d^2+29d+28=0

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Solution for 6d^2+29d+28=0 equation:


Simplifying
6d2 + 29d + 28 = 0

Reorder the terms:
28 + 29d + 6d2 = 0

Solving
28 + 29d + 6d2 = 0

Solving for variable 'd'.

Factor a trinomial.
(7 + 2d)(4 + 3d) = 0

Subproblem 1

Set the factor '(7 + 2d)' equal to zero and attempt to solve: Simplifying 7 + 2d = 0 Solving 7 + 2d = 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 + 2d = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 2d = 0 + -7 2d = 0 + -7 Combine like terms: 0 + -7 = -7 2d = -7 Divide each side by '2'. d = -3.5 Simplifying d = -3.5

Subproblem 2

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

Solution

d = {-3.5, -1.333333333}

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