Question

341, 343 помогите пожалуйста

Answer 1

341) а) (с-8)(d+1)=cd+c-8d-8

b) (m+n)(a+b)=ma+mb+na+nb

c) (a+2)(x-3)=ax-3a+2x-6

d) (m-p)(a-d) =ma-md-pa+pd

343) a) (y+2)(y-3)=y²-3y+2y-6=y²-y-6

b) (a-3)(a-2)=a²-2a-3a+6=a²-5a+6

c) (4-p) (p+3)=4p+12-p²-3p=p+12-p²

d) (5a-2)(a+3)=5a²+15a-2a-6=5a²+13a-6

e) (4b-3)(2b-1)=8b²-4b-6b+3=8b²-10b+3

f) (7m-2)(1+2m)=7m+14m²-2-4m=3m+14m²-2