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Whakaroha
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

\left(2x\right)^{2}-1^{2}
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}.
2^{2}x^{2}-1^{2}
Whakarohaina te \left(2x\right)^{2}.
4x^{2}-1^{2}
Tātaihia te 2 mā te pū o 2, kia riro ko 4.
4x^{2}-1
Tātaihia te 1 mā te pū o 2, kia riro ko 1.
\left(2x\right)^{2}-1^{2}
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}.
2^{2}x^{2}-1^{2}
Whakarohaina te \left(2x\right)^{2}.
4x^{2}-1^{2}
Tātaihia te 2 mā te pū o 2, kia riro ko 4.
4x^{2}-1
Tātaihia te 1 mā te pū o 2, kia riro ko 1.