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Simplifying kx2 + -40x + 16 = 0 Reorder the terms: 16 + kx2 + -40x = 0 Solving 16 + kx2 + -40x = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + kx2 + -16 + -40x = 0 + -16 Reorder the terms: 16 + -16 + kx2 + -40x = 0 + -16 Combine like terms: 16 + -16 = 0 0 + kx2 + -40x = 0 + -16 kx2 + -40x = 0 + -16 Combine like terms: 0 + -16 = -16 kx2 + -40x = -16 Add '40x' to each side of the equation. kx2 + -40x + 40x = -16 + 40x Combine like terms: -40x + 40x = 0 kx2 + 0 = -16 + 40x kx2 = -16 + 40x Divide each side by 'x2'. k = -16x-2 + 40x-1 Simplifying k = -16x-2 + 40x-1
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