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Simplifying kx2 + 8x + 8 = 0 Reorder the terms: 8 + kx2 + 8x = 0 Solving 8 + kx2 + 8x = 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 + 8x = 0 + -8 Reorder the terms: 8 + -8 + kx2 + 8x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + kx2 + 8x = 0 + -8 kx2 + 8x = 0 + -8 Combine like terms: 0 + -8 = -8 kx2 + 8x = -8 Add '-8x' to each side of the equation. kx2 + 8x + -8x = -8 + -8x Combine like terms: 8x + -8x = 0 kx2 + 0 = -8 + -8x kx2 = -8 + -8x Divide each side by 'x2'. k = -8x-2 + -8x-1 Simplifying k = -8x-2 + -8x-1
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