2logx-log(x+9)-log(x-9)=0

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Solution for 2logx-log(x+9)-log(x-9)=0 equation:


Simplifying
2logx + -1log(x + 9) + -1log(x + -9) = 0

Reorder the terms:
2glox + -1glo(9 + x) + -1log(x + -9) = 0
2glox + (9 * -1glo + x * -1glo) + -1log(x + -9) = 0
2glox + (-9glo + -1glox) + -1log(x + -9) = 0

Reorder the terms:
2glox + -9glo + -1glox + -1glo(-9 + x) = 0
2glox + -9glo + -1glox + (-9 * -1glo + x * -1glo) = 0
2glox + -9glo + -1glox + (9glo + -1glox) = 0

Reorder the terms:
-9glo + 9glo + 2glox + -1glox + -1glox = 0

Combine like terms: -9glo + 9glo = 0
0 + 2glox + -1glox + -1glox = 0
2glox + -1glox + -1glox = 0

Combine like terms: 2glox + -1glox = 1glox
1glox + -1glox = 0

Combine like terms: 1glox + -1glox = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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