k^2-6k-13=3

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Solution for k^2-6k-13=3 equation:


Simplifying
k2 + -6k + -13 = 3

Reorder the terms:
-13 + -6k + k2 = 3

Solving
-13 + -6k + k2 = 3

Solving for variable 'k'.

Reorder the terms:
-13 + -3 + -6k + k2 = 3 + -3

Combine like terms: -13 + -3 = -16
-16 + -6k + k2 = 3 + -3

Combine like terms: 3 + -3 = 0
-16 + -6k + k2 = 0

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

Subproblem 1

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

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 = {-2, 8}

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