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