2. Разложите многочлен на множители [tex]4) {3a}^{3} – {3b}^{3} + {5a}^{2} – {5b}^{2} \\ 5) {x}^{4} + x {y}^{3} – {x}^{3} y – {y}^{4} \
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Объяснение:
4) 3(а³-в³)+5(а²-в²)=3(а-в)(а²+ав+в²)+5(а-в)(а+в)=(а-в)(3а²+3ав+3в²+5а+5в)
5) х³(х-у)+у³(х-у)=(х-у)(х³+у³)
6) (m-n)(m+n)-(m-n)=(m-n)(m+n-1)