Question

(x+2)^2
(x-3)^2
(x+5) x (x-5)

Answer 1

(x+2)² = x²+4x+4               
(x-3)² = x²-6x+9
 (x+5)(x-5)  = x² - 25   

Answer 2

1)=x²+4x+4
2)x²-6x+9
3)=(x+5)(x-5)

sper sa fie corect,dar nu sant sigura..