2k^2-112=2k

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Solution for 2k^2-112=2k equation:


Simplifying
2k2 + -112 = 2k

Reorder the terms:
-112 + 2k2 = 2k

Solving
-112 + 2k2 = 2k

Solving for variable 'k'.

Reorder the terms:
-112 + -2k + 2k2 = 2k + -2k

Combine like terms: 2k + -2k = 0
-112 + -2k + 2k2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-56 + -1k + k2) = 0

Factor a trinomial.
2((-7 + -1k)(8 + -1k)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-7 + -1k)' equal to zero and attempt to solve: Simplifying -7 + -1k = 0 Solving -7 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1k = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1k = 0 + 7 -1k = 0 + 7 Combine like terms: 0 + 7 = 7 -1k = 7 Divide each side by '-1'. k = -7 Simplifying k = -7

Subproblem 2

Set the factor '(8 + -1k)' equal to zero and attempt to solve: Simplifying 8 + -1k = 0 Solving 8 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1k = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1k = 0 + -8 -1k = 0 + -8 Combine like terms: 0 + -8 = -8 -1k = -8 Divide each side by '-1'. k = 8 Simplifying k = 8

Solution

k = {-7, 8}

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