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Simplifying x2 + 30X + -81 = 0 Reorder the terms: -81 + 30X + x2 = 0 Solving -81 + 30X + x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '81' to each side of the equation. -81 + 30X + 81 + x2 = 0 + 81 Reorder the terms: -81 + 81 + 30X + x2 = 0 + 81 Combine like terms: -81 + 81 = 0 0 + 30X + x2 = 0 + 81 30X + x2 = 0 + 81 Combine like terms: 0 + 81 = 81 30X + x2 = 81 Add '-1x2' to each side of the equation. 30X + x2 + -1x2 = 81 + -1x2 Combine like terms: x2 + -1x2 = 0 30X + 0 = 81 + -1x2 30X = 81 + -1x2 Divide each side by '30'. X = 2.7 + -0.03333333333x2 Simplifying X = 2.7 + -0.03333333333x2
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