Question

CALCULE OS PRODUTOS NOTAVEIS
(R+45)²

Answer 1

$\boxed{(R+45)^2=R^2+2.45R+45^2=R^2+90R+2025}$

Answer 2

(R+45)²
(R)² +2.(R).(45) +(45)²
R² + 90R + 2025
ou

(R +45) . (R +45)
R² +45R +45R + 2025
R² +90R +2025