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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

4x^{2}-\left(9y^{2}-12y+4\right)
Tuhia anō hei rerekētanga o ngā kīanga e rua.
\left(2x\right)^{2}-\left(2-3y\right)^{2}
Tuhia anō ngā kīanga hei pūrua.
\left(2x-2+3y\right)\left(2x+2-3y\right)
Ka taea te rerekētanga o ngā pūrua te whakatauwehe mā te ture: a^{2}-b^{2}=\left(a-b\right)\left(a+b\right).