25d^2-70d+49=

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Solution for 25d^2-70d+49= equation:


Simplifying
25d2 + -70d + 49 = 0

Reorder the terms:
49 + -70d + 25d2 = 0

Solving
49 + -70d + 25d2 = 0

Solving for variable 'd'.

Factor a trinomial.
(7 + -5d)(7 + -5d) = 0

Subproblem 1

Set the factor '(7 + -5d)' equal to zero and attempt to solve: Simplifying 7 + -5d = 0 Solving 7 + -5d = 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 + -5d = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -5d = 0 + -7 -5d = 0 + -7 Combine like terms: 0 + -7 = -7 -5d = -7 Divide each side by '-5'. d = 1.4 Simplifying d = 1.4

Subproblem 2

Set the factor '(7 + -5d)' equal to zero and attempt to solve: Simplifying 7 + -5d = 0 Solving 7 + -5d = 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 + -5d = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -5d = 0 + -7 -5d = 0 + -7 Combine like terms: 0 + -7 = -7 -5d = -7 Divide each side by '-5'. d = 1.4 Simplifying d = 1.4

Solution

d = {1.4, 1.4}

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