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Simplifying (x2) + 12x + b = 0 x2 + 12x + b = 0 Reorder the terms: b + 12x + x2 = 0 Solving b + 12x + x2 = 0 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-12x' to each side of the equation. b + 12x + -12x + x2 = 0 + -12x Combine like terms: 12x + -12x = 0 b + 0 + x2 = 0 + -12x b + x2 = 0 + -12x Remove the zero: b + x2 = -12x Add '-1x2' to each side of the equation. b + x2 + -1x2 = -12x + -1x2 Combine like terms: x2 + -1x2 = 0 b + 0 = -12x + -1x2 b = -12x + -1x2 Simplifying b = -12x + -1x2
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