k^2+k-11=261

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Solution for k^2+k-11=261 equation:


Simplifying
k2 + k + -11 = 261

Reorder the terms:
-11 + k + k2 = 261

Solving
-11 + k + k2 = 261

Solving for variable 'k'.

Reorder the terms:
-11 + -261 + k + k2 = 261 + -261

Combine like terms: -11 + -261 = -272
-272 + k + k2 = 261 + -261

Combine like terms: 261 + -261 = 0
-272 + k + k2 = 0

Factor a trinomial.
(-17 + -1k)(16 + -1k) = 0

Subproblem 1

Set the factor '(-17 + -1k)' equal to zero and attempt to solve: Simplifying -17 + -1k = 0 Solving -17 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '17' to each side of the equation. -17 + 17 + -1k = 0 + 17 Combine like terms: -17 + 17 = 0 0 + -1k = 0 + 17 -1k = 0 + 17 Combine like terms: 0 + 17 = 17 -1k = 17 Divide each side by '-1'. k = -17 Simplifying k = -17

Subproblem 2

Set the factor '(16 + -1k)' equal to zero and attempt to solve: Simplifying 16 + -1k = 0 Solving 16 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + -1k = 0 + -16 Combine like terms: 16 + -16 = 0 0 + -1k = 0 + -16 -1k = 0 + -16 Combine like terms: 0 + -16 = -16 -1k = -16 Divide each side by '-1'. k = 16 Simplifying k = 16

Solution

k = {-17, 16}

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