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Tohaina

\left(3y^{2}-2x^{3}\right)\left(3y^{2}+2x^{3}\right)
Tuhia anō te 9y^{4}-4x^{6} hei \left(3y^{2}\right)^{2}-\left(2x^{3}\right)^{2}. Ka taea te rerekētanga o ngā pūrua te whakatauwehe mā te ture: a^{2}-b^{2}=\left(a-b\right)\left(a+b\right).
\left(-2x^{3}+3y^{2}\right)\left(2x^{3}+3y^{2}\right)
Whakaraupapatia anō ngā kīanga tau.