Whakaoti i te a/a+5-a^2/a^2-25

$$\frac { a } { a + 5 } - \frac { a ^ { 2 } } { a ^ { 2 } - 25 }$$

Aromātai

$$-\frac{5a}{a^{2}-25}$$

Ngā Hipanga Rongoā Poto

Tauwehea te a^{2}-25.

$$\frac{a}{a+5}-\frac{a^{2}}{\left(a-5\right)\left(a+5\right)}$$

Hei tāpiri, hei tango kīanga rānei, me whakaroha ērā kia rite ā rātou tauraro. Ko te taurea pātahi iti rawa o a+5 me \left(a-5\right)\left(a+5\right) ko \left(a-5\right)\left(a+5\right). Whakareatia \frac{a}{a+5} ki te \frac{a-5}{a-5}.

$$\frac{a\left(a-5\right)}{\left(a-5\right)\left(a+5\right)}-\frac{a^{2}}{\left(a-5\right)\left(a+5\right)}$$

Tā te mea he rite te tauraro o \frac{a\left(a-5\right)}{\left(a-5\right)\left(a+5\right)} me \frac{a^{2}}{\left(a-5\right)\left(a+5\right)}, me tango rāua mā te tango i ō raua taurunga.

$$\frac{a\left(a-5\right)-a^{2}}{\left(a-5\right)\left(a+5\right)}$$

Mahia ngā whakarea i roto o a\left(a-5\right)-a^{2}.

$$\frac{a^{2}-5a-a^{2}}{\left(a-5\right)\left(a+5\right)}$$

Whakakotahitia ngā kupu rite i a^{2}-5a-a^{2}.

$$\frac{-5a}{\left(a-5\right)\left(a+5\right)}$$

Whakarohaina te \left(a-5\right)\left(a+5\right).

$$\frac{-5a}{a^{2}-25}$$

Tauwehe

$$-\frac{5a}{a^{2}-25}$$