25k^2-30k=-8

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Solution for 25k^2-30k=-8 equation:


Simplifying
25k2 + -30k = -8

Reorder the terms:
-30k + 25k2 = -8

Solving
-30k + 25k2 = -8

Solving for variable 'k'.

Reorder the terms:
8 + -30k + 25k2 = -8 + 8

Combine like terms: -8 + 8 = 0
8 + -30k + 25k2 = 0

Factor a trinomial.
(2 + -5k)(4 + -5k) = 0

Subproblem 1

Set the factor '(2 + -5k)' equal to zero and attempt to solve: Simplifying 2 + -5k = 0 Solving 2 + -5k = 0 Move all terms containing k to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -5k = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5k = 0 + -2 -5k = 0 + -2 Combine like terms: 0 + -2 = -2 -5k = -2 Divide each side by '-5'. k = 0.4 Simplifying k = 0.4

Subproblem 2

Set the factor '(4 + -5k)' equal to zero and attempt to solve: Simplifying 4 + -5k = 0 Solving 4 + -5k = 0 Move all terms containing k to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -5k = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -5k = 0 + -4 -5k = 0 + -4 Combine like terms: 0 + -4 = -4 -5k = -4 Divide each side by '-5'. k = 0.8 Simplifying k = 0.8

Solution

k = {0.4, 0.8}

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