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Simplifying x2 + bx + 47 = 0 Reorder the terms: 47 + bx + x2 = 0 Solving 47 + bx + x2 = 0 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-47' to each side of the equation. 47 + bx + -47 + x2 = 0 + -47 Reorder the terms: 47 + -47 + bx + x2 = 0 + -47 Combine like terms: 47 + -47 = 0 0 + bx + x2 = 0 + -47 bx + x2 = 0 + -47 Combine like terms: 0 + -47 = -47 bx + x2 = -47 Add '-1x2' to each side of the equation. bx + x2 + -1x2 = -47 + -1x2 Combine like terms: x2 + -1x2 = 0 bx + 0 = -47 + -1x2 bx = -47 + -1x2 Divide each side by 'x'. b = -47x-1 + -1x Simplifying b = -47x-1 + -1x
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