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Simplifying kx2 + -5x + -8 = 0 Reorder the terms: -8 + kx2 + -5x = 0 Solving -8 + kx2 + -5x = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '8' to each side of the equation. -8 + kx2 + 8 + -5x = 0 + 8 Reorder the terms: -8 + 8 + kx2 + -5x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + kx2 + -5x = 0 + 8 kx2 + -5x = 0 + 8 Combine like terms: 0 + 8 = 8 kx2 + -5x = 8 Add '5x' to each side of the equation. kx2 + -5x + 5x = 8 + 5x Combine like terms: -5x + 5x = 0 kx2 + 0 = 8 + 5x kx2 = 8 + 5x Divide each side by 'x2'. k = 8x-2 + 5x-1 Simplifying k = 8x-2 + 5x-1
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