7k^2-25k=-12

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Solution for 7k^2-25k=-12 equation:


Simplifying
7k2 + -25k = -12

Reorder the terms:
-25k + 7k2 = -12

Solving
-25k + 7k2 = -12

Solving for variable 'k'.

Reorder the terms:
12 + -25k + 7k2 = -12 + 12

Combine like terms: -12 + 12 = 0
12 + -25k + 7k2 = 0

Factor a trinomial.
(4 + -7k)(3 + -1k) = 0

Subproblem 1

Set the factor '(4 + -7k)' equal to zero and attempt to solve: Simplifying 4 + -7k = 0 Solving 4 + -7k = 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 + -7k = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -7k = 0 + -4 -7k = 0 + -4 Combine like terms: 0 + -4 = -4 -7k = -4 Divide each side by '-7'. k = 0.5714285714 Simplifying k = 0.5714285714

Subproblem 2

Set the factor '(3 + -1k)' equal to zero and attempt to solve: Simplifying 3 + -1k = 0 Solving 3 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1k = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1k = 0 + -3 -1k = 0 + -3 Combine like terms: 0 + -3 = -3 -1k = -3 Divide each side by '-1'. k = 3 Simplifying k = 3

Solution

k = {0.5714285714, 3}

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