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Simplifying 81x2 + bx + 49 = 0 Reorder the terms: 49 + bx + 81x2 = 0 Solving 49 + bx + 81x2 = 0 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-49' to each side of the equation. 49 + bx + -49 + 81x2 = 0 + -49 Reorder the terms: 49 + -49 + bx + 81x2 = 0 + -49 Combine like terms: 49 + -49 = 0 0 + bx + 81x2 = 0 + -49 bx + 81x2 = 0 + -49 Combine like terms: 0 + -49 = -49 bx + 81x2 = -49 Add '-81x2' to each side of the equation. bx + 81x2 + -81x2 = -49 + -81x2 Combine like terms: 81x2 + -81x2 = 0 bx + 0 = -49 + -81x2 bx = -49 + -81x2 Divide each side by 'x'. b = -49x-1 + -81x Simplifying b = -49x-1 + -81x
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