2k^2=-2k+112

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


Simplifying
2k2 = -2k + 112

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

Solving
2k2 = 112 + -2k

Solving for variable 'k'.

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

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

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

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

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

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

Solution

k = {-8, 7}

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