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4x^{2}\left(5x+3\right)+5x+3
Mahia te whakarōpūtanga 20x^{3}+12x^{2}+5x+3=\left(20x^{3}+12x^{2}\right)+\left(5x+3\right), ka whakatauwehea atu 4x^{2} i te 20x^{3}+12x^{2}.
\left(5x+3\right)\left(4x^{2}+1\right)
Whakatauwehea atu te kīanga pātahi 5x+3 mā te whakamahi i te āhuatanga tātai tohatoha. Kāore te pūrau 4x^{2}+1 i whakatauwehea i te mea kāhore ōna pūtake whakahau.