k^2-12=-4k

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Solution for k^2-12=-4k equation:


Simplifying
k2 + -12 = -4k

Reorder the terms:
-12 + k2 = -4k

Solving
-12 + k2 = -4k

Solving for variable 'k'.

Reorder the terms:
-12 + 4k + k2 = -4k + 4k

Combine like terms: -4k + 4k = 0
-12 + 4k + k2 = 0

Factor a trinomial.
(-6 + -1k)(2 + -1k) = 0

Subproblem 1

Set the factor '(-6 + -1k)' equal to zero and attempt to solve: Simplifying -6 + -1k = 0 Solving -6 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1k = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1k = 0 + 6 -1k = 0 + 6 Combine like terms: 0 + 6 = 6 -1k = 6 Divide each side by '-1'. k = -6 Simplifying k = -6

Subproblem 2

Set the factor '(2 + -1k)' equal to zero and attempt to solve: Simplifying 2 + -1k = 0 Solving 2 + -1k = 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 + -1k = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1k = 0 + -2 -1k = 0 + -2 Combine like terms: 0 + -2 = -2 -1k = -2 Divide each side by '-1'. k = 2 Simplifying k = 2

Solution

k = {-6, 2}

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