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y^{2}\left(5y+7\right)+6\left(5y+7\right)
Mahia te whakarōpūtanga 5y^{3}+7y^{2}+30y+42=\left(5y^{3}+7y^{2}\right)+\left(30y+42\right), ka whakatauwehea atu y^{2} i te tuatahi me 6 i te rōpū tuarua.
\left(5y+7\right)\left(y^{2}+6\right)
Whakatauwehea atu te kīanga pātahi 5y+7 mā te whakamahi i te āhuatanga tātai tohatoha. Kāore te pūrau y^{2}+6 i whakatauwehea i te mea kāhore ōna pūtake whakahau.