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Simplifying 2logx + -1log(x + 9) + -1log(x + -9) = 1 Reorder the terms: 2glox + -1glo(9 + x) + -1log(x + -9) = 1 2glox + (9 * -1glo + x * -1glo) + -1log(x + -9) = 1 2glox + (-9glo + -1glox) + -1log(x + -9) = 1 Reorder the terms: 2glox + -9glo + -1glox + -1glo(-9 + x) = 1 2glox + -9glo + -1glox + (-9 * -1glo + x * -1glo) = 1 2glox + -9glo + -1glox + (9glo + -1glox) = 1 Reorder the terms: -9glo + 9glo + 2glox + -1glox + -1glox = 1 Combine like terms: -9glo + 9glo = 0 0 + 2glox + -1glox + -1glox = 1 2glox + -1glox + -1glox = 1 Combine like terms: 2glox + -1glox = 1glox 1glox + -1glox = 1 Combine like terms: 1glox + -1glox = 0 0 = 1 Solving 0 = 1 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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