Question

c) (4x2 - 5x + 11) + (3x2 - 15) =​

Answer 1

Oie, Td Bom?!

$= (4x {}^{2} - 5x + 11) + (3x {}^{2} - 15)$

$= 4x {}^{2} - 5x + 11 + 3x {}^{2} - 15$

$= 7x {}^{2} - 5x - 4$

Att. Makaveli1996