Question

1)-4(n-k)=
2)4m-(m+3n)=
3)-3a-(8b-15a)=
4)b(2x-3y)-2(x+y)=
5)7a(3b+4c)-3a(b+1/3c)=

Answer 1

Ответ:

1) -4n+4k

2)3(m-n)

3)4(3a-2b)

4) 2bx-3dy-2x-2y

5)9a×(2b+3c)