Evalwa
-\frac{2}{x^{2}}
Espandi
-\frac{2}{x^{2}}
Graff
Sehem
Ikkupjat fuq il-klibbord
\frac{\frac{x+1}{\left(x+1\right)\left(-x+1\right)}-\frac{-x+1}{\left(x+1\right)\left(-x+1\right)}}{\frac{x}{x^{2}-1}+x}
Biex iżżid jew tnaqqas l-espressjonijiet, espandihom biex id-denominaturi tagħhom ikunu l-istess. L-inqas multiplu komuni ta' 1-x u 1+x huwa \left(x+1\right)\left(-x+1\right). Immultiplika \frac{1}{1-x} b'\frac{x+1}{x+1}. Immultiplika \frac{1}{1+x} b'\frac{-x+1}{-x+1}.
\frac{\frac{x+1-\left(-x+1\right)}{\left(x+1\right)\left(-x+1\right)}}{\frac{x}{x^{2}-1}+x}
Billi \frac{x+1}{\left(x+1\right)\left(-x+1\right)} u \frac{-x+1}{\left(x+1\right)\left(-x+1\right)} għandhom l-istess denominatur, naqqashom billi tnaqqas in-numeraturi tagħhom.
\frac{\frac{x+1+x-1}{\left(x+1\right)\left(-x+1\right)}}{\frac{x}{x^{2}-1}+x}
Agħmel il-multiplikazzjonijiet fi x+1-\left(-x+1\right).
\frac{\frac{2x}{\left(x+1\right)\left(-x+1\right)}}{\frac{x}{x^{2}-1}+x}
Ikkombina termini simili f'x+1+x-1.
\frac{\frac{2x}{\left(x+1\right)\left(-x+1\right)}}{\frac{x}{\left(x-1\right)\left(x+1\right)}+x}
Iffattura x^{2}-1.
\frac{\frac{2x}{\left(x+1\right)\left(-x+1\right)}}{\frac{x}{\left(x-1\right)\left(x+1\right)}+\frac{x\left(x-1\right)\left(x+1\right)}{\left(x-1\right)\left(x+1\right)}}
Biex iżżid jew tnaqqas l-espressjonijiet, espandihom biex id-denominaturi tagħhom ikunu l-istess. Immultiplika x b'\frac{\left(x-1\right)\left(x+1\right)}{\left(x-1\right)\left(x+1\right)}.
\frac{\frac{2x}{\left(x+1\right)\left(-x+1\right)}}{\frac{x+x\left(x-1\right)\left(x+1\right)}{\left(x-1\right)\left(x+1\right)}}
Billi \frac{x}{\left(x-1\right)\left(x+1\right)} u \frac{x\left(x-1\right)\left(x+1\right)}{\left(x-1\right)\left(x+1\right)} għandhom l-istess denominatur, żidhom billi żżid in-numeraturi tagħhom.
\frac{\frac{2x}{\left(x+1\right)\left(-x+1\right)}}{\frac{x+x^{3}+x^{2}-x^{2}-x}{\left(x-1\right)\left(x+1\right)}}
Agħmel il-multiplikazzjonijiet fi x+x\left(x-1\right)\left(x+1\right).
\frac{\frac{2x}{\left(x+1\right)\left(-x+1\right)}}{\frac{x^{3}}{\left(x-1\right)\left(x+1\right)}}
Ikkombina termini simili f'x+x^{3}+x^{2}-x^{2}-x.
\frac{2x\left(x-1\right)\left(x+1\right)}{\left(x+1\right)\left(-x+1\right)x^{3}}
Iddividi \frac{2x}{\left(x+1\right)\left(-x+1\right)} b'\frac{x^{3}}{\left(x-1\right)\left(x+1\right)} billi timmultiplika \frac{2x}{\left(x+1\right)\left(-x+1\right)} bir-reċiproku ta' \frac{x^{3}}{\left(x-1\right)\left(x+1\right)}.
\frac{-2x\left(x+1\right)\left(-x+1\right)}{\left(x+1\right)\left(-x+1\right)x^{3}}
Estratta l-sinjal negattiv fi x-1.
\frac{-2}{x^{2}}
Annulla x\left(x+1\right)\left(-x+1\right) fin-numeratur u d-denominatur.
\frac{\frac{x+1}{\left(x+1\right)\left(-x+1\right)}-\frac{-x+1}{\left(x+1\right)\left(-x+1\right)}}{\frac{x}{x^{2}-1}+x}
Biex iżżid jew tnaqqas l-espressjonijiet, espandihom biex id-denominaturi tagħhom ikunu l-istess. L-inqas multiplu komuni ta' 1-x u 1+x huwa \left(x+1\right)\left(-x+1\right). Immultiplika \frac{1}{1-x} b'\frac{x+1}{x+1}. Immultiplika \frac{1}{1+x} b'\frac{-x+1}{-x+1}.
\frac{\frac{x+1-\left(-x+1\right)}{\left(x+1\right)\left(-x+1\right)}}{\frac{x}{x^{2}-1}+x}
Billi \frac{x+1}{\left(x+1\right)\left(-x+1\right)} u \frac{-x+1}{\left(x+1\right)\left(-x+1\right)} għandhom l-istess denominatur, naqqashom billi tnaqqas in-numeraturi tagħhom.
\frac{\frac{x+1+x-1}{\left(x+1\right)\left(-x+1\right)}}{\frac{x}{x^{2}-1}+x}
Agħmel il-multiplikazzjonijiet fi x+1-\left(-x+1\right).
\frac{\frac{2x}{\left(x+1\right)\left(-x+1\right)}}{\frac{x}{x^{2}-1}+x}
Ikkombina termini simili f'x+1+x-1.
\frac{\frac{2x}{\left(x+1\right)\left(-x+1\right)}}{\frac{x}{\left(x-1\right)\left(x+1\right)}+x}
Iffattura x^{2}-1.
\frac{\frac{2x}{\left(x+1\right)\left(-x+1\right)}}{\frac{x}{\left(x-1\right)\left(x+1\right)}+\frac{x\left(x-1\right)\left(x+1\right)}{\left(x-1\right)\left(x+1\right)}}
Biex iżżid jew tnaqqas l-espressjonijiet, espandihom biex id-denominaturi tagħhom ikunu l-istess. Immultiplika x b'\frac{\left(x-1\right)\left(x+1\right)}{\left(x-1\right)\left(x+1\right)}.
\frac{\frac{2x}{\left(x+1\right)\left(-x+1\right)}}{\frac{x+x\left(x-1\right)\left(x+1\right)}{\left(x-1\right)\left(x+1\right)}}
Billi \frac{x}{\left(x-1\right)\left(x+1\right)} u \frac{x\left(x-1\right)\left(x+1\right)}{\left(x-1\right)\left(x+1\right)} għandhom l-istess denominatur, żidhom billi żżid in-numeraturi tagħhom.
\frac{\frac{2x}{\left(x+1\right)\left(-x+1\right)}}{\frac{x+x^{3}+x^{2}-x^{2}-x}{\left(x-1\right)\left(x+1\right)}}
Agħmel il-multiplikazzjonijiet fi x+x\left(x-1\right)\left(x+1\right).
\frac{\frac{2x}{\left(x+1\right)\left(-x+1\right)}}{\frac{x^{3}}{\left(x-1\right)\left(x+1\right)}}
Ikkombina termini simili f'x+x^{3}+x^{2}-x^{2}-x.
\frac{2x\left(x-1\right)\left(x+1\right)}{\left(x+1\right)\left(-x+1\right)x^{3}}
Iddividi \frac{2x}{\left(x+1\right)\left(-x+1\right)} b'\frac{x^{3}}{\left(x-1\right)\left(x+1\right)} billi timmultiplika \frac{2x}{\left(x+1\right)\left(-x+1\right)} bir-reċiproku ta' \frac{x^{3}}{\left(x-1\right)\left(x+1\right)}.
\frac{-2x\left(x+1\right)\left(-x+1\right)}{\left(x+1\right)\left(-x+1\right)x^{3}}
Estratta l-sinjal negattiv fi x-1.
\frac{-2}{x^{2}}
Annulla x\left(x+1\right)\left(-x+1\right) fin-numeratur u d-denominatur.
Eżempji
Ekwazzjoni kwadratika
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometrija
4 \sin \theta \cos \theta = 2 \sin \theta
Ekwazzjoni lineari
y = 3x + 4
Aritmetika
699 * 533
Matriċi
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Ekwazzjoni simultanja
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differenzazzjoni
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integrazzjoni
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limiti
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}