Предмет: Алгебра, автор: Настя1261

НОРМЕР 836 И 837 РЕШИТЕ ЧТО НИБУТЬ )))

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Ответы

Автор ответа: dashayurina1999
0
836.
а)=(2х+3у)(х-у)
б)=(а-5б)(а+б)
в)=(м-1)(m-n)
г)=(3а+1)(а+z)
837.
а)=3а+са+3б+сб=а(3+с)+б(3+с)=(а+б)(3+с)
б)=2m+2n+2km=2(m+n+km)=2(n+m(1+k))
в)=by+4x+4y+bx=x(4+b)+y(4+b)=(x+y)(4+b)
г)=ax-ay+bx-by=x(a+b)-y(a+b)=(x-y)(a+b)
д)=3(b-c)+a(b-c)=(3+a)(b-c)
е)=ab+2b-2d-ad=b(a+2)-d(a+2)=(b-d)(a+2)
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