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совёнок7839
@совёнок7839
June 2021
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помогите представить в виде многочлена
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novo51
А) (у-4)(у+5)=у²+5у-4у-20=у²+у-20
б) (3а+2в)(5а-в)=15а²-3ав+10ав-2в²=15а²+7ав-2в²
в) (х-3)(х²+2х-6)=х³+2х²-6х-3х²-6х+18=х³-х²-12х+18
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б) (3а+2в)(5а-в)=15а²-3ав+10ав-2в²=15а²+7ав-2в²
в) (х-3)(х²+2х-6)=х³+2х²-6х-3х²-6х+18=х³-х²-12х+18