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Simplifying x2 + kx + 99 = 0 Reorder the terms: 99 + kx + x2 = 0 Solving 99 + kx + x2 = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-99' to each side of the equation. 99 + kx + -99 + x2 = 0 + -99 Reorder the terms: 99 + -99 + kx + x2 = 0 + -99 Combine like terms: 99 + -99 = 0 0 + kx + x2 = 0 + -99 kx + x2 = 0 + -99 Combine like terms: 0 + -99 = -99 kx + x2 = -99 Add '-1x2' to each side of the equation. kx + x2 + -1x2 = -99 + -1x2 Combine like terms: x2 + -1x2 = 0 kx + 0 = -99 + -1x2 kx = -99 + -1x2 Divide each side by 'x'. k = -99x-1 + -1x Simplifying k = -99x-1 + -1x
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