Предмет: Алгебра, автор: Anastasiya164

Выполните умножение:
а) (а+2) (а-3)=
б) (2х-1) (3х+4)=
в) (4х-у) ( 5х-2у)
г) ( а-2) ( ( в степени) 2

Ответы

Автор ответа: tolganai2000
4
=а²-3а+2а-6=а²-а-6
=6х²+8х-3х+4=6х²+5х+4
=20х+8ху-5ху+3у=20х+3ху+3у
=-9a²+12a-18a+24=9a²-6a+24


tolganai2000: г какой
Anastasiya164: г) ( а-2) (а во 2 степени -3а +6)
tolganai2000: =(a-2)(-3a+6)iii
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