Question

(5x³ - 5x² - 2) - (+7 - 6x³)=
socorro​

Answer 1

Oie, Td Bom?!

$= (5x {}^{3} - 5x {}^{2} - 2) - (7 - 6x {}^{3} )$

$= 5x {}^{3} - 5x {}^{2} - 2 - 7 + 6x {}^{3}$

$= 11x {}^{3} - 5x {}^{2} - 9$

Att. Makaveli1996