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Simplifying 10k2 + -12k + -16 = 0 Reorder the terms: -16 + -12k + 10k2 = 0 Solving -16 + -12k + 10k2 = 0 Solving for variable 'k'. Factor out the Greatest Common Factor (GCF), '2'. 2(-8 + -6k + 5k2) = 0 Factor a trinomial. 2((-4 + -5k)(2 + -1k)) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-4 + -5k)' equal to zero and attempt to solve: Simplifying -4 + -5k = 0 Solving -4 + -5k = 0 Move all terms containing k to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -5k = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -5k = 0 + 4 -5k = 0 + 4 Combine like terms: 0 + 4 = 4 -5k = 4 Divide each side by '-5'. k = -0.8 Simplifying k = -0.8Subproblem 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 = {-0.8, 2}
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