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Tohaina

\left(8z^{3}\right)^{2}-49
Ka taea te whakareanga te panoni ki te rerekētanga o ngā pūrua mā te ture: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}. Pūrua 7.
8^{2}\left(z^{3}\right)^{2}-49
Whakarohaina te \left(8z^{3}\right)^{2}.
8^{2}z^{6}-49
Hei hiki pū ki tētahi pū anō, me whakarea ngā taupū. Me whakarea te 3 me te 2 kia riro ai te 6.
64z^{6}-49
Tātaihia te 8 mā te pū o 2, kia riro ko 64.
\left(8z^{3}\right)^{2}-49
Ka taea te whakareanga te panoni ki te rerekētanga o ngā pūrua mā te ture: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}. Pūrua 7.
8^{2}\left(z^{3}\right)^{2}-49
Whakarohaina te \left(8z^{3}\right)^{2}.
8^{2}z^{6}-49
Hei hiki pū ki tētahi pū anō, me whakarea ngā taupū. Me whakarea te 3 me te 2 kia riro ai te 6.
64z^{6}-49
Tātaihia te 8 mā te pū o 2, kia riro ko 64.