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Simplifying -4k2 + 6k + -16 = -5k2 Reorder the terms: -16 + 6k + -4k2 = -5k2 Solving -16 + 6k + -4k2 = -5k2 Solving for variable 'k'. Combine like terms: -4k2 + 5k2 = 1k2 -16 + 6k + 1k2 = -5k2 + 5k2 Combine like terms: -5k2 + 5k2 = 0 -16 + 6k + 1k2 = 0 Factor a trinomial. (-8 + -1k)(2 + -1k) = 0Subproblem 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 = -8Subproblem 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 = 2Solution
k = {-8, 2}
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