Question

me ajudem xy-[x²-(x²+xy)] qual o resultado​

Answer 1

$xy~-~\left[x^2~-~\left(x^2~+~xy\right)\right]\\\\\\xy~-~\left[x^2~-~x^2~-~xy\right]\\\\\\xy~-~\left[-xy\right]\\\\\\xy~+~xy\\\\\\\boxed{2xy}$