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Simplifying x2 + kx + 196 = 0 Reorder the terms: 196 + kx + x2 = 0 Solving 196 + kx + x2 = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-196' to each side of the equation. 196 + kx + -196 + x2 = 0 + -196 Reorder the terms: 196 + -196 + kx + x2 = 0 + -196 Combine like terms: 196 + -196 = 0 0 + kx + x2 = 0 + -196 kx + x2 = 0 + -196 Combine like terms: 0 + -196 = -196 kx + x2 = -196 Add '-1x2' to each side of the equation. kx + x2 + -1x2 = -196 + -1x2 Combine like terms: x2 + -1x2 = 0 kx + 0 = -196 + -1x2 kx = -196 + -1x2 Divide each side by 'x'. k = -196x-1 + -1x Simplifying k = -196x-1 + -1x
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