Tauwehe
\left(x-3\right)\left(x+3\right)\left(x^{2}+9\right)
Aromātai
x^{4}-81
Graph
Tohaina
Kua tāruatia ki te papatopenga
\left(x^{2}-9\right)\left(x^{2}+9\right)
Tuhia anō te x^{4}-81 hei \left(x^{2}\right)^{2}-9^{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).
\left(x-3\right)\left(x+3\right)
Whakaarohia te x^{2}-9. Tuhia anō te x^{2}-9 hei x^{2}-3^{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).
\left(x-3\right)\left(x+3\right)\left(x^{2}+9\right)
Me tuhi anō te kīanga whakatauwehe katoa. Kāore te pūrau x^{2}+9 i whakatauwehea i te mea kāhore ōna pūtake whakahau.
Ngā Tauira
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Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}