Question

some (-5n³+8) + (8n³+3n²)​

Answer 1

Oie, Td Bom?!

$= ( - 5n {}^{3} + 8) + (8n {}^{3} + 3n {}^{2} )$

$= - 5n {}^{3} + 8 + 8n {}^{3} + 3n {}^{2}$

$= 3n {}^{3} + 8 + 3n {}^{2}$

$= 3n {}^{3} + 3n {}^{2} + 8$

Att. Makaveli1996