Question

ME AJUDEM PFVRRRRRRRRR


para x + y = 18 qual é o valor de x²+2xy+y²?​

Answer 1

$\Large\boxed{\begin{array}{l}\sf x+y=18\\\sf x^2+2xy+y^2=(x+y)^2\\\sf x^2+2xy+y^2=18^2\\\sf x^2+2xy+y^2=324\end{array}}$