Tauwehe
\left(a-4\right)\left(a+2\right)^{2}
Aromātai
\left(a-4\right)\left(a+2\right)^{2}
Tohaina
Kua tāruatia ki te papatopenga
\left(a-4\right)\left(a^{2}+4a+4\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 -16, ā, ka wehea e q te whakarea arahanga 1. Ko tetahi pūtake pērā ko 4. Tauwehea te pūrau mā te whakawehe mā te a-4.
\left(a+2\right)^{2}
Whakaarohia te a^{2}+4a+4. Whakamahia te tikanga tātai pūrua pā, p^{2}+2pq+q^{2}=\left(p+q\right)^{2}, ina p=a, ina q=2.
\left(a-4\right)\left(a+2\right)^{2}
Me tuhi anō te kīanga whakatauwehe katoa.
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