Ovrednoti
-\frac{4xy}{x^{2}-y^{2}}
Razširi
-\frac{4xy}{x^{2}-y^{2}}
Delež
Kopirano v odložišče
\frac{\left(x-y\right)\left(x-y\right)}{\left(x+y\right)\left(x-y\right)}-\frac{\left(x+y\right)\left(x+y\right)}{\left(x+y\right)\left(x-y\right)}
Če želite prišteti ali odšteti izraze, jih razširite na skupne imenovalce. Najmanjši skupni mnogokratnik x+y in x-y je \left(x+y\right)\left(x-y\right). Pomnožite \frac{x-y}{x+y} s/z \frac{x-y}{x-y}. Pomnožite \frac{x+y}{x-y} s/z \frac{x+y}{x+y}.
\frac{\left(x-y\right)\left(x-y\right)-\left(x+y\right)\left(x+y\right)}{\left(x+y\right)\left(x-y\right)}
Ker \frac{\left(x-y\right)\left(x-y\right)}{\left(x+y\right)\left(x-y\right)} in \frac{\left(x+y\right)\left(x+y\right)}{\left(x+y\right)\left(x-y\right)} imata isti imenovalec, jih odštejte tako, da odštejete njihove števce.
\frac{x^{2}-xy-xy+y^{2}-x^{2}-xy-xy-y^{2}}{\left(x+y\right)\left(x-y\right)}
Izvedi množenje v \left(x-y\right)\left(x-y\right)-\left(x+y\right)\left(x+y\right).
\frac{-4xy}{\left(x+y\right)\left(x-y\right)}
Združite podobne člene v x^{2}-xy-xy+y^{2}-x^{2}-xy-xy-y^{2}.
\frac{-4xy}{x^{2}-y^{2}}
Razčlenite \left(x+y\right)\left(x-y\right).
\frac{\left(x-y\right)\left(x-y\right)}{\left(x+y\right)\left(x-y\right)}-\frac{\left(x+y\right)\left(x+y\right)}{\left(x+y\right)\left(x-y\right)}
Če želite prišteti ali odšteti izraze, jih razširite na skupne imenovalce. Najmanjši skupni mnogokratnik x+y in x-y je \left(x+y\right)\left(x-y\right). Pomnožite \frac{x-y}{x+y} s/z \frac{x-y}{x-y}. Pomnožite \frac{x+y}{x-y} s/z \frac{x+y}{x+y}.
\frac{\left(x-y\right)\left(x-y\right)-\left(x+y\right)\left(x+y\right)}{\left(x+y\right)\left(x-y\right)}
Ker \frac{\left(x-y\right)\left(x-y\right)}{\left(x+y\right)\left(x-y\right)} in \frac{\left(x+y\right)\left(x+y\right)}{\left(x+y\right)\left(x-y\right)} imata isti imenovalec, jih odštejte tako, da odštejete njihove števce.
\frac{x^{2}-xy-xy+y^{2}-x^{2}-xy-xy-y^{2}}{\left(x+y\right)\left(x-y\right)}
Izvedi množenje v \left(x-y\right)\left(x-y\right)-\left(x+y\right)\left(x+y\right).
\frac{-4xy}{\left(x+y\right)\left(x-y\right)}
Združite podobne člene v x^{2}-xy-xy+y^{2}-x^{2}-xy-xy-y^{2}.
\frac{-4xy}{x^{2}-y^{2}}
Razčlenite \left(x+y\right)\left(x-y\right).
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