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Simplifying (6k + -1)(8k + -4) = 0 Reorder the terms: (-1 + 6k)(8k + -4) = 0 Reorder the terms: (-1 + 6k)(-4 + 8k) = 0 Multiply (-1 + 6k) * (-4 + 8k) (-1(-4 + 8k) + 6k * (-4 + 8k)) = 0 ((-4 * -1 + 8k * -1) + 6k * (-4 + 8k)) = 0 ((4 + -8k) + 6k * (-4 + 8k)) = 0 (4 + -8k + (-4 * 6k + 8k * 6k)) = 0 (4 + -8k + (-24k + 48k2)) = 0 Combine like terms: -8k + -24k = -32k (4 + -32k + 48k2) = 0 Solving 4 + -32k + 48k2 = 0 Solving for variable 'k'. Factor out the Greatest Common Factor (GCF), '4'. 4(1 + -8k + 12k2) = 0 Factor a trinomial. 4((1 + -6k)(1 + -2k)) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(1 + -6k)' equal to zero and attempt to solve: Simplifying 1 + -6k = 0 Solving 1 + -6k = 0 Move all terms containing k to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -6k = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -6k = 0 + -1 -6k = 0 + -1 Combine like terms: 0 + -1 = -1 -6k = -1 Divide each side by '-6'. k = 0.1666666667 Simplifying k = 0.1666666667Subproblem 2
Set the factor '(1 + -2k)' equal to zero and attempt to solve: Simplifying 1 + -2k = 0 Solving 1 + -2k = 0 Move all terms containing k to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2k = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2k = 0 + -1 -2k = 0 + -1 Combine like terms: 0 + -1 = -1 -2k = -1 Divide each side by '-2'. k = 0.5 Simplifying k = 0.5Solution
k = {0.1666666667, 0.5}
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