Tauwehe
\left(x-9\right)\left(x-3\right)^{2}
Aromātai
\left(x-9\right)\left(x-3\right)^{2}
Graph
Tohaina
Kua tāruatia ki te papatopenga
\left(x-9\right)\left(x^{2}-6x+9\right)
Tā te Rational Root Theorem, ko ngā pūtake whakahau katoa o tētahi pūrau kei te āhua o \frac{p}{q}, ina wehea e p te kīanga pūmau -81, ā, ka wehea e q te whakarea arahanga 1. Ko tetahi pūtake pērā ko 9. Tauwehea te pūrau mā te whakawehe mā te x-9.
\left(x-3\right)^{2}
Whakaarohia te x^{2}-6x+9. Whakamahia te tikanga tātai pūrua pā, a^{2}-2ab+b^{2}=\left(a-b\right)^{2}, ina a=x, ina b=3.
\left(x-9\right)\left(x-3\right)^{2}
Me tuhi anō te kīanga whakatauwehe katoa.
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Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}