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Tohaina

x\left(16x^{2}-49\right)
Tauwehea te x.
\left(4x-7\right)\left(4x+7\right)
Whakaarohia te 16x^{2}-49. Tuhia anō te 16x^{2}-49 hei \left(4x\right)^{2}-7^{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).
x\left(4x-7\right)\left(4x+7\right)
Me tuhi anō te kīanga whakatauwehe katoa.