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\frac{1}{xy}\left(x-y\right)+\left(\frac{1}{x}-\frac{1}{y}\right)\left(x+y\right)
Multiply \frac{1}{x} times \frac{1}{y} by multiplying numerator times numerator and denominator times denominator.
\frac{x-y}{xy}+\left(\frac{1}{x}-\frac{1}{y}\right)\left(x+y\right)
Express \frac{1}{xy}\left(x-y\right) as a single fraction.
\frac{x-y}{xy}+\left(\frac{y}{xy}-\frac{x}{xy}\right)\left(x+y\right)
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of x and y is xy. Multiply \frac{1}{x} times \frac{y}{y}. Multiply \frac{1}{y} times \frac{x}{x}.
\frac{x-y}{xy}+\frac{y-x}{xy}\left(x+y\right)
Since \frac{y}{xy} and \frac{x}{xy} have the same denominator, subtract them by subtracting their numerators.
\frac{x-y}{xy}+\frac{\left(y-x\right)\left(x+y\right)}{xy}
Express \frac{y-x}{xy}\left(x+y\right) as a single fraction.
\frac{x-y+\left(y-x\right)\left(x+y\right)}{xy}
Since \frac{x-y}{xy} and \frac{\left(y-x\right)\left(x+y\right)}{xy} have the same denominator, add them by adding their numerators.
\frac{x-y+yx+y^{2}-x^{2}-xy}{xy}
Do the multiplications in x-y+\left(y-x\right)\left(x+y\right).
\frac{x-y+y^{2}-x^{2}}{xy}
Combine like terms in x-y+yx+y^{2}-x^{2}-xy.
\frac{1}{xy}\left(x-y\right)+\left(\frac{1}{x}-\frac{1}{y}\right)\left(x+y\right)
Multiply \frac{1}{x} times \frac{1}{y} by multiplying numerator times numerator and denominator times denominator.
\frac{x-y}{xy}+\left(\frac{1}{x}-\frac{1}{y}\right)\left(x+y\right)
Express \frac{1}{xy}\left(x-y\right) as a single fraction.
\frac{x-y}{xy}+\left(\frac{y}{xy}-\frac{x}{xy}\right)\left(x+y\right)
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of x and y is xy. Multiply \frac{1}{x} times \frac{y}{y}. Multiply \frac{1}{y} times \frac{x}{x}.
\frac{x-y}{xy}+\frac{y-x}{xy}\left(x+y\right)
Since \frac{y}{xy} and \frac{x}{xy} have the same denominator, subtract them by subtracting their numerators.
\frac{x-y}{xy}+\frac{\left(y-x\right)\left(x+y\right)}{xy}
Express \frac{y-x}{xy}\left(x+y\right) as a single fraction.
\frac{x-y+\left(y-x\right)\left(x+y\right)}{xy}
Since \frac{x-y}{xy} and \frac{\left(y-x\right)\left(x+y\right)}{xy} have the same denominator, add them by adding their numerators.
\frac{x-y+yx+y^{2}-x^{2}-xy}{xy}
Do the multiplications in x-y+\left(y-x\right)\left(x+y\right).
\frac{x-y+y^{2}-x^{2}}{xy}
Combine like terms in x-y+yx+y^{2}-x^{2}-xy.