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Simplifying 2x2 + bx + 5 = 0 Reorder the terms: 5 + bx + 2x2 = 0 Solving 5 + bx + 2x2 = 0 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + bx + -5 + 2x2 = 0 + -5 Reorder the terms: 5 + -5 + bx + 2x2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + bx + 2x2 = 0 + -5 bx + 2x2 = 0 + -5 Combine like terms: 0 + -5 = -5 bx + 2x2 = -5 Add '-2x2' to each side of the equation. bx + 2x2 + -2x2 = -5 + -2x2 Combine like terms: 2x2 + -2x2 = 0 bx + 0 = -5 + -2x2 bx = -5 + -2x2 Divide each side by 'x'. b = -5x-1 + -2x Simplifying b = -5x-1 + -2x
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