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Simplifying x2 + -1bx + 1 = 0forx Reorder the terms: 1 + -1bx + x2 = 0forx Anything times zero is zero. 1 + -1bx + x2 = 0forx Solving 1 + -1bx + x2 = 0 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1bx + -1 + x2 = 0 + -1 Reorder the terms: 1 + -1 + -1bx + x2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1bx + x2 = 0 + -1 -1bx + x2 = 0 + -1 Combine like terms: 0 + -1 = -1 -1bx + x2 = -1 Add '-1x2' to each side of the equation. -1bx + x2 + -1x2 = -1 + -1x2 Combine like terms: x2 + -1x2 = 0 -1bx + 0 = -1 + -1x2 -1bx = -1 + -1x2 Divide each side by '-1x'. b = x-1 + x Simplifying b = x-1 + x
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