Tauwehe
\frac{\left(x-15y\right)\left(x+15y\right)}{9}
Aromātai
\frac{x^{2}}{9}-25y^{2}
Tohaina
Kua tāruatia ki te papatopenga
\frac{x^{2}-225y^{2}}{9}
Tauwehea te \frac{1}{9}.
\left(x-15y\right)\left(x+15y\right)
Whakaarohia te x^{2}-225y^{2}. Tuhia anō te x^{2}-225y^{2} hei x^{2}-\left(15y\right)^{2}. Ka taea te rerekētanga o ngā pūrua te whakatauwehe mā te ture: a^{2}-b^{2}=\left(a-b\right)\left(a+b\right).
\frac{\left(x-15y\right)\left(x+15y\right)}{9}
Me tuhi anō te kīanga whakatauwehe katoa.
Ngā Tauira
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Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}