Question

(x² - 3xy + y² - x²y²) + (+x² + 5x²y² + y² + 3xy)​

Answer 1

Resposta:

(x² - 3xy + y² - x²y²) + (+x² + 5x²y² + y² + 3xy)

$x^{2} -3xy+y^{2} -x^{2} y^{2} +x^{2} +5x^{2} y^{2} +y^{2}+3xy\\2x^{2} +2y^{2}+4x^{2} y^{2}$