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Simplifying k(x) = x5 + -4x4 + 4x3 Multiply k * x kx = x5 + -4x4 + 4x3 Reorder the terms: kx = 4x3 + -4x4 + x5 Solving kx = 4x3 + -4x4 + x5 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Divide each side by 'x'. k = 4x2 + -4x3 + x4 Simplifying k = 4x2 + -4x3 + x4
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