(a+z) (n-m)(c-d) (x-y)(4-b) (5+c)

Question

(a+z) (n-m)
(c-d) (x-y)
(4-b) (5+c)

Answer 1

Аn-am+zn-zm.

cx-cy-dx+dy.

20+4c-5b-bc.