Resposta :
Oie, tudo bom?
[tex] = 7x {}^{3} + 6xy - 2x {}^{3} + 2xy \\ = 5x {}^{3} + 6xy + 2xy \\ \boxed{ = 5x {}^{3} + 8xy}[/tex]
Att. NLE Top Shotta
Oie, tudo bom?
[tex] = 7x {}^{3} + 6xy - 2x {}^{3} + 2xy \\ = 5x {}^{3} + 6xy + 2xy \\ \boxed{ = 5x {}^{3} + 8xy}[/tex]
Att. NLE Top Shotta