Question

1)11x-11y=
2)y(a+b)-7(а+b)=
3)4a+4c-m(a+c)=
4)ax-ay+12x-12y

Answer 1

Ответ:

1) 11x-11y=  11(x-y)

2) y(a+b)-7(а+b)= (a+b)(y-7)  

3) 4a+4c-m(a+c)=  4(a+c)-m(a+c)=(a+c)(4-m)

4) ax-ay+12x-12y=ax+12x-ay-12y=x(a+12)-y(a+12)=(a+12)(x-y)