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Simplifying 5k2 = 3 + -2k Solving 5k2 = 3 + -2k Solving for variable 'k'. Reorder the terms: -3 + 2k + 5k2 = 3 + -2k + -3 + 2k Reorder the terms: -3 + 2k + 5k2 = 3 + -3 + -2k + 2k Combine like terms: 3 + -3 = 0 -3 + 2k + 5k2 = 0 + -2k + 2k -3 + 2k + 5k2 = -2k + 2k Combine like terms: -2k + 2k = 0 -3 + 2k + 5k2 = 0 Factor a trinomial. (-1 + -1k)(3 + -5k) = 0Subproblem 1
Set the factor '(-1 + -1k)' equal to zero and attempt to solve: Simplifying -1 + -1k = 0 Solving -1 + -1k = 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 + -1k = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1k = 0 + 1 -1k = 0 + 1 Combine like terms: 0 + 1 = 1 -1k = 1 Divide each side by '-1'. k = -1 Simplifying k = -1Subproblem 2
Set the factor '(3 + -5k)' equal to zero and attempt to solve: Simplifying 3 + -5k = 0 Solving 3 + -5k = 0 Move all terms containing k to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -5k = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -5k = 0 + -3 -5k = 0 + -3 Combine like terms: 0 + -3 = -3 -5k = -3 Divide each side by '-5'. k = 0.6 Simplifying k = 0.6Solution
k = {-1, 0.6}
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