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Simplifying x2 + 5x + b = 0 Reorder the terms: b + 5x + x2 = 0 Solving b + 5x + x2 = 0 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-5x' to each side of the equation. b + 5x + -5x + x2 = 0 + -5x Combine like terms: 5x + -5x = 0 b + 0 + x2 = 0 + -5x b + x2 = 0 + -5x Remove the zero: b + x2 = -5x Add '-1x2' to each side of the equation. b + x2 + -1x2 = -5x + -1x2 Combine like terms: x2 + -1x2 = 0 b + 0 = -5x + -1x2 b = -5x + -1x2 Simplifying b = -5x + -1x2
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