Safaetalhamezianego Safaetalhamezianego Matemáticas contestada [tex] {x}^{2} {y}^{2} - 5 {x}^{2} {y}^{2} - (3 {x}^{2} {y}^{2} -) - 8 {x}^{2} {y}^{2} [/tex]ayudaaaaaaaaa