Question

помогите пожалуйста! !!!!​

Answer 1

Слева

= (x+y)(2a+1)

= (m+n)(3b+1)

= (a-b)(4x+1)

= (p-q)(k+1)

Справа:

= a(a+b)+c(a+b) = (a+b) (a+c)

= x(x+y)+a(x+y) = (x+y) (x+a)

= c(a+b)+(a+b) = (a+b) (c+1)

= 3(a-b)+x(a-b) = (a-b) (3+x)

= x(x-y)-2(x-y) = (x-y) (x-2)