Question

( x² + y² - 5xy ) + (2x² + 8xy 3y² )

Answer 1

Resposta:

$(x {}^{2} + y {}^{2} - 5xy) + 2x {}^{2} + 8xy \: 3y {}^{2} ) \\ x {}^{2} + y {}^{2} - 5xy + (2x {}^{2} + 24xy {}^{3} ) \\ x {}^{2} + y {}^{2} - 5xy + 2x {}^{2} + 24xy {}^{3} \\ 3x {}^{2} + y {}^{2} - 5xy + 24xy {}^{3}$