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Simplifying 4x2 + bx + -1 = 0 Reorder the terms: -1 + bx + 4x2 = 0 Solving -1 + bx + 4x2 = 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 + bx + 1 + 4x2 = 0 + 1 Reorder the terms: -1 + 1 + bx + 4x2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + bx + 4x2 = 0 + 1 bx + 4x2 = 0 + 1 Combine like terms: 0 + 1 = 1 bx + 4x2 = 1 Add '-4x2' to each side of the equation. bx + 4x2 + -4x2 = 1 + -4x2 Combine like terms: 4x2 + -4x2 = 0 bx + 0 = 1 + -4x2 bx = 1 + -4x2 Divide each side by 'x'. b = x-1 + -4x Simplifying b = x-1 + -4x
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