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