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\frac{\frac{x-1}{\left(x-1\right)\left(x+1\right)}-\frac{x+1}{\left(x-1\right)\left(x+1\right)}}{\frac{2}{1-x}}
Da biste zbrojili ili oduzeli izraze, proširite ih da bi imali iste nazivnike. Najmanji zajednički višekratnik brojeva x+1 i x-1 jest \left(x-1\right)\left(x+1\right). Pomnožite \frac{1}{x+1} i \frac{x-1}{x-1}. Pomnožite \frac{1}{x-1} i \frac{x+1}{x+1}.
\frac{\frac{x-1-\left(x+1\right)}{\left(x-1\right)\left(x+1\right)}}{\frac{2}{1-x}}
Budući da \frac{x-1}{\left(x-1\right)\left(x+1\right)} i \frac{x+1}{\left(x-1\right)\left(x+1\right)} imaju isti nazivnik, oduzmite ih oduzimanje njihovih brojnika.
\frac{\frac{x-1-x-1}{\left(x-1\right)\left(x+1\right)}}{\frac{2}{1-x}}
Pomnožite izraz x-1-\left(x+1\right).
\frac{\frac{-2}{\left(x-1\right)\left(x+1\right)}}{\frac{2}{1-x}}
Kombinirajte slične izraze u x-1-x-1.
\frac{-2\left(1-x\right)}{\left(x-1\right)\left(x+1\right)\times 2}
Podijelite \frac{-2}{\left(x-1\right)\left(x+1\right)} s \frac{2}{1-x} tako da pomnožite \frac{-2}{\left(x-1\right)\left(x+1\right)} s brojem recipročnim broju \frac{2}{1-x}.
\frac{-2\left(-1\right)\left(x-1\right)}{2\left(x-1\right)\left(x+1\right)}
Izdvojite negativni predznak u izrazu 1-x.
\frac{-\left(-1\right)}{x+1}
Skratite 2\left(x-1\right) u brojniku i nazivniku.
\frac{1}{x+1}
Pomnožite -1 i -1 da biste dobili 1.
\frac{\frac{x-1}{\left(x-1\right)\left(x+1\right)}-\frac{x+1}{\left(x-1\right)\left(x+1\right)}}{\frac{2}{1-x}}
Da biste zbrojili ili oduzeli izraze, proširite ih da bi imali iste nazivnike. Najmanji zajednički višekratnik brojeva x+1 i x-1 jest \left(x-1\right)\left(x+1\right). Pomnožite \frac{1}{x+1} i \frac{x-1}{x-1}. Pomnožite \frac{1}{x-1} i \frac{x+1}{x+1}.
\frac{\frac{x-1-\left(x+1\right)}{\left(x-1\right)\left(x+1\right)}}{\frac{2}{1-x}}
Budući da \frac{x-1}{\left(x-1\right)\left(x+1\right)} i \frac{x+1}{\left(x-1\right)\left(x+1\right)} imaju isti nazivnik, oduzmite ih oduzimanje njihovih brojnika.
\frac{\frac{x-1-x-1}{\left(x-1\right)\left(x+1\right)}}{\frac{2}{1-x}}
Pomnožite izraz x-1-\left(x+1\right).
\frac{\frac{-2}{\left(x-1\right)\left(x+1\right)}}{\frac{2}{1-x}}
Kombinirajte slične izraze u x-1-x-1.
\frac{-2\left(1-x\right)}{\left(x-1\right)\left(x+1\right)\times 2}
Podijelite \frac{-2}{\left(x-1\right)\left(x+1\right)} s \frac{2}{1-x} tako da pomnožite \frac{-2}{\left(x-1\right)\left(x+1\right)} s brojem recipročnim broju \frac{2}{1-x}.
\frac{-2\left(-1\right)\left(x-1\right)}{2\left(x-1\right)\left(x+1\right)}
Izdvojite negativni predznak u izrazu 1-x.
\frac{-\left(-1\right)}{x+1}
Skratite 2\left(x-1\right) u brojniku i nazivniku.
\frac{1}{x+1}
Pomnožite -1 i -1 da biste dobili 1.