Whakaoti i te 9a^2-1aa+9

$$9 a ^ { 2 } - 1 a a + 9$$

Aromātai

$$8a^{2}+9$$

Ngā Upane Otinga

Whakareatia te a ki te a, ka a^{2}.

$$9a^{2}-a^{2}+9$$

Pahekotia te 9a^{2} me -a^{2}, ka 8a^{2}.

$$8a^{2}+9$$

Kimi Pārōnaki e ai ki a

$$16a$$

Ngā Upane e Whakamahi ana i te Ture Pārōnaki mō te Tapeke

Ko te pārōnaki o tētahi pūrau ko te tapeke o ngā pārōnaki o ōna kīanga tau. Ko te pārōnaki o tētahi kīanga tau pūmau ko 0. Ko te pārōnaki o te ax^{n} ko te nax^{n-1}.

$$2\times 9a^{2-1}+\left(-a\right)a^{1-1}$$

Whakareatia 2 ki te 9.

$$18a^{2-1}+\left(-a\right)a^{1-1}$$

Tango 1 mai i 2.

$$18a^{1}+\left(-a\right)a^{1-1}$$

Tango 1 mai i 1.

$$18a^{1}+\left(-a\right)a^{0}$$

Mō tētahi kupu t, t^{1}=t.

$$18a+\left(-a\right)a^{0}$$

Mō tētahi kupu t mahue te 0, t^{0}=1.

$$18a+\left(-a\right)\times 1$$

Mō tētahi kupu t, t\times 1=t me 1t=t.

$$18a-a$$