Issolvi -1/left(2-yright)^2-1/y^2

$$\frac{ -1 }{ { \left(2-y \right) }^{ 2 } } - \frac{ 1 }{ { y }^{ 2 } }$$

Evalwa

$$\frac{2\left(-y^{2}+2y-2\right)}{\left(y\left(2-y\right)\right)^{2}}$$

Passi Qosra tas-Soluzzjonijiet

Biex iżżid jew tnaqqas l-espressjonijiet, espandihom biex id-denominaturi tagħhom ikunu l-istess. L-inqas multiplu komuni ta' \left(2-y\right)^{2} u y^{2} huwa y^{2}\left(-y+2\right)^{2}. Immultiplika \frac{-1}{\left(2-y\right)^{2}} b'\frac{y^{2}}{y^{2}}. Immultiplika \frac{1}{y^{2}} b'\frac{\left(-y+2\right)^{2}}{\left(-y+2\right)^{2}}.

$$\frac{-y^{2}}{y^{2}\left(-y+2\right)^{2}}-\frac{\left(-y+2\right)^{2}}{y^{2}\left(-y+2\right)^{2}}$$

Billi \frac{-y^{2}}{y^{2}\left(-y+2\right)^{2}} u \frac{\left(-y+2\right)^{2}}{y^{2}\left(-y+2\right)^{2}} għandhom l-istess denominatur, naqqashom billi tnaqqas in-numeraturi tagħhom.

$$\frac{-y^{2}-\left(-y+2\right)^{2}}{y^{2}\left(-y+2\right)^{2}}$$

Agħmel il-multiplikazzjonijiet fi -y^{2}-\left(-y+2\right)^{2}.

$$\frac{-y^{2}-y^{2}+4y-4}{y^{2}\left(-y+2\right)^{2}}$$

Ikkombina termini simili f'-y^{2}-y^{2}+4y-4.

$$\frac{-2y^{2}+4y-4}{y^{2}\left(-y+2\right)^{2}}$$

Espandi y^{2}\left(-y+2\right)^{2}.

$$\frac{-2y^{2}+4y-4}{y^{4}-4y^{3}+4y^{2}}$$

Espandi

$$-\frac{2\left(y^{2}-2y+2\right)}{\left(y\left(2-y\right)\right)^{2}}$$

Passi Qosra tas-Soluzzjonijiet

Biex iżżid jew tnaqqas l-espressjonijiet, espandihom biex id-denominaturi tagħhom ikunu l-istess. L-inqas multiplu komuni ta' \left(2-y\right)^{2} u y^{2} huwa y^{2}\left(-y+2\right)^{2}. Immultiplika \frac{-1}{\left(2-y\right)^{2}} b'\frac{y^{2}}{y^{2}}. Immultiplika \frac{1}{y^{2}} b'\frac{\left(-y+2\right)^{2}}{\left(-y+2\right)^{2}}.

$$\frac{-y^{2}}{y^{2}\left(-y+2\right)^{2}}-\frac{\left(-y+2\right)^{2}}{y^{2}\left(-y+2\right)^{2}}$$

Billi \frac{-y^{2}}{y^{2}\left(-y+2\right)^{2}} u \frac{\left(-y+2\right)^{2}}{y^{2}\left(-y+2\right)^{2}} għandhom l-istess denominatur, naqqashom billi tnaqqas in-numeraturi tagħhom.

$$\frac{-y^{2}-\left(-y+2\right)^{2}}{y^{2}\left(-y+2\right)^{2}}$$

Agħmel il-multiplikazzjonijiet fi -y^{2}-\left(-y+2\right)^{2}.

$$\frac{-y^{2}-y^{2}+4y-4}{y^{2}\left(-y+2\right)^{2}}$$

Ikkombina termini simili f'-y^{2}-y^{2}+4y-4.

$$\frac{-2y^{2}+4y-4}{y^{2}\left(-y+2\right)^{2}}$$

Espandi y^{2}\left(-y+2\right)^{2}.

$$\frac{-2y^{2}+4y-4}{y^{4}-4y^{3}+4y^{2}}$$