25d^2+40d+16=0

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Solution for 25d^2+40d+16=0 equation:


Simplifying
25d2 + 40d + 16 = 0

Reorder the terms:
16 + 40d + 25d2 = 0

Solving
16 + 40d + 25d2 = 0

Solving for variable 'd'.

Factor a trinomial.
(4 + 5d)(4 + 5d) = 0

Subproblem 1

Set the factor '(4 + 5d)' equal to zero and attempt to solve: Simplifying 4 + 5d = 0 Solving 4 + 5d = 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 + 5d = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 5d = 0 + -4 5d = 0 + -4 Combine like terms: 0 + -4 = -4 5d = -4 Divide each side by '5'. d = -0.8 Simplifying d = -0.8

Subproblem 2

Set the factor '(4 + 5d)' equal to zero and attempt to solve: Simplifying 4 + 5d = 0 Solving 4 + 5d = 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 + 5d = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 5d = 0 + -4 5d = 0 + -4 Combine like terms: 0 + -4 = -4 5d = -4 Divide each side by '5'. d = -0.8 Simplifying d = -0.8

Solution

d = {-0.8, -0.8}

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