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Tohaina

x^{4}a^{2}-20x^{2}y^{2}a-96y^{4}
Whakaarohia te a^{2}x^{4}-20ax^{2}y^{2}-96y^{4} hei pūrau ki runga i te taurangi a.
\left(ax^{2}-24y^{2}\right)\left(ax^{2}+4y^{2}\right)
Kimihia he tauwehe o te āhua x^{k}a^{m}+n, e wehea ai e x^{k}a^{m} te huatahi me te pū nui rawa x^{4}a^{2}, e wehea hoki e n te tauwehe pūmau -96y^{4}. Ko tētahi tauwehe pērā ko ax^{2}-24y^{2}. Whakatauwehea te pūrau mā te whakawehe ki tēnei tauwehe.