Question

(y+2)^2 tinh 

lam ra het giup mik nha

Answer 1

(y + 2)²

= y² + 2.2.y + 2²

= y² + 4y + 4

Answer 2

(y + 2)² = y² + 2.y.2 + 2² = y²+ 4y +4

Answer 3

\(\left(y+2\right)^2\)\(=y^2+2.2.y+2^2=y^2+4y+4\)

Answer 4

= \(y^2+4y+4\)

Answer 5

\(\left(y+2\right)^2=y^2+4y+4\)