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## AngelaB97 one year ago please help me simplify this x/y-y/x _________ 1/x^2-1/y^2

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1. AngelaB97

preferably by using a picture

2. anonymous

Let's start with the first equation. $\frac{x}{y}-\frac{y}{x}$ Cross multiply the values. $\frac{x\times x-y\times y}{yx}$ Simplify the exponents further. Once you've done that, use the difference of squares to simplify again.

3. anonymous

The second equation is $\frac{1}{{x}^{2}}-\frac{1}{{y}^{2}}$ Again, cross multiply the values. Once you've cross multiplied, use the difference of squares.

4. AngelaB97

can you please further explain?

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