Question

por favor me ajudem : (3x+2y)²

Answer 1

Devemos aplicar a distributiva para simplificar :

$\mathtt{(3x +2y)^2} \\ \mathtt{(3x+2y)~.~(3x+2y)} \\ \mathtt{9x^2 + 6xy + 6xy + 4y^2 } \\ \mathtt{9x^2 + 4y^2 + 12xy} \\ \\ \\ \boxed{\boxed{\mathtt{Resposta: 9x^2+4y^2+12xy}}}$