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Simplifying 18x2 + 7X + -8 = 0 Reorder the terms: -8 + 7X + 18x2 = 0 Solving -8 + 7X + 18x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 7X + 8 + 18x2 = 0 + 8 Reorder the terms: -8 + 8 + 7X + 18x2 = 0 + 8 Combine like terms: -8 + 8 = 0 0 + 7X + 18x2 = 0 + 8 7X + 18x2 = 0 + 8 Combine like terms: 0 + 8 = 8 7X + 18x2 = 8 Add '-18x2' to each side of the equation. 7X + 18x2 + -18x2 = 8 + -18x2 Combine like terms: 18x2 + -18x2 = 0 7X + 0 = 8 + -18x2 7X = 8 + -18x2 Divide each side by '7'. X = 1.142857143 + -2.571428571x2 Simplifying X = 1.142857143 + -2.571428571x2
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