Question

(A+c)2=
(3y-4(2))=
(9+a)2=
(5a-1)2=
(2x-3y)2=
(a-y)2=
Плззз

Answer 1

Ответ:

(a+c)2=2a+2c

(3y-4(2))=3y-8

(9+a)2=18+2a

(5a-1)2=10a-2

(2x-3y)2=4x-6y

(a-y)2=2a-2y