Question

va rog imi trebuie urgent​

Answer 1

a)a-b=3 a+b=5

a²-b²=(a-b)x(a+b)=3x5=15

b)a²+2ab+b²=(a+b)²=5²=25

c)a²-2ab+b²=(a-b)²=3²=9

Answer 2

A) a-b=3 a+b=5

a2-b2=(a-b)x(a+b)=3×5=15

scuze dar am scris a2 si b2 ca nu pot sa gasesc