Question

Упростите :
m(k-3)-k(m-5)
a(1-b)-a(1+b)
b(2d-5)-b(d+5)
Пожалуйста

Answer 1

1.mk-3m-mk+5k=5k-3m
2.1a-ab-1a-ab=2ab^2

Answer 2

1) m(k-3)-k(m-5)=mk-3m-mk +5k=5k-3m
2) a(1-b)-a(1+b)=a-ab-a-ab =-2ab
3) b(2d-5)-b(d+5)= 2bd-5b-bd-5b=bd-10b