Whakaoti i te -a+2/a-1*2a^2-4a/a^2-4diva/a^2-1

$$\frac { - a + 2 } { a - 1 } \cdot \frac { 2 a ^ { 2 } - 4 a } { a ^ { 2 } - 4 } \div \frac { a } { a ^ { 2 } - 1 }$$

Aromātai

$$\frac{2\left(2-a\right)\left(a+1\right)}{a+2}$$

Ngā Hipanga Rongoā Poto

Me whakatauwehe ngā kīanga kāore anō i whakatauwehea i roto o \frac{2a^{2}-4a}{a^{2}-4}.

$$\frac{\frac{-a+2}{a-1}\times \frac{2a\left(a-2\right)}{\left(a-2\right)\left(a+2\right)}}{\frac{a}{a^{2}-1}}$$

Me whakakore tahi te a-2 i te taurunga me te tauraro.

$$\frac{\frac{-a+2}{a-1}\times \frac{2a}{a+2}}{\frac{a}{a^{2}-1}}$$

Me whakarea te \frac{-a+2}{a-1} ki te \frac{2a}{a+2} mā te whakarea taurunga ki te taurunga me te tauraro ki te tauraro.

$$\frac{\frac{\left(-a+2\right)\times 2a}{\left(a-1\right)\left(a+2\right)}}{\frac{a}{a^{2}-1}}$$

Whakawehe \frac{\left(-a+2\right)\times 2a}{\left(a-1\right)\left(a+2\right)} ki te \frac{a}{a^{2}-1} mā te whakarea \frac{\left(-a+2\right)\times 2a}{\left(a-1\right)\left(a+2\right)} ki te tau huripoki o \frac{a}{a^{2}-1}.

$$\frac{\left(-a+2\right)\times 2a\left(a^{2}-1\right)}{\left(a-1\right)\left(a+2\right)a}$$

Me whakakore tahi te a i te taurunga me te tauraro.

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

Me whakatauwehe ngā kīanga kāore anō i whakatauwehea.

$$\frac{2\left(a-1\right)\left(a+1\right)\left(-a+2\right)}{\left(a-1\right)\left(a+2\right)}$$

Me whakakore tahi te a-1 i te taurunga me te tauraro.

$$\frac{2\left(a+1\right)\left(-a+2\right)}{a+2}$$

Me whakaroha te kīanga.

$$\frac{-2a^{2}+2a+4}{a+2}$$

Whakaroha

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

Ngā Hipanga Rongoā Poto

Me whakatauwehe ngā kīanga kāore anō i whakatauwehea i roto o \frac{2a^{2}-4a}{a^{2}-4}.

$$\frac{\frac{-a+2}{a-1}\times \frac{2a\left(a-2\right)}{\left(a-2\right)\left(a+2\right)}}{\frac{a}{a^{2}-1}}$$

Me whakakore tahi te a-2 i te taurunga me te tauraro.

$$\frac{\frac{-a+2}{a-1}\times \frac{2a}{a+2}}{\frac{a}{a^{2}-1}}$$

Me whakarea te \frac{-a+2}{a-1} ki te \frac{2a}{a+2} mā te whakarea taurunga ki te taurunga me te tauraro ki te tauraro.

$$\frac{\frac{\left(-a+2\right)\times 2a}{\left(a-1\right)\left(a+2\right)}}{\frac{a}{a^{2}-1}}$$

Whakawehe \frac{\left(-a+2\right)\times 2a}{\left(a-1\right)\left(a+2\right)} ki te \frac{a}{a^{2}-1} mā te whakarea \frac{\left(-a+2\right)\times 2a}{\left(a-1\right)\left(a+2\right)} ki te tau huripoki o \frac{a}{a^{2}-1}.

$$\frac{\left(-a+2\right)\times 2a\left(a^{2}-1\right)}{\left(a-1\right)\left(a+2\right)a}$$

Me whakakore tahi te a i te taurunga me te tauraro.

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

Me whakatauwehe ngā kīanga kāore anō i whakatauwehea.

$$\frac{2\left(a-1\right)\left(a+1\right)\left(-a+2\right)}{\left(a-1\right)\left(a+2\right)}$$

Me whakakore tahi te a-1 i te taurunga me te tauraro.

$$\frac{2\left(a+1\right)\left(-a+2\right)}{a+2}$$

Me whakaroha te kīanga.

$$\frac{-2a^{2}+2a+4}{a+2}$$