Question

SUBTRAIA 2x²-12x-89 de 8x²+7x -1
URGENTEE PELO AMOR DE DEUS !!

Answer 1

Oie, Td Bom?!

$= (2x {}^{2} - 12x - 89) - (8x {}^{2} + 7x - 1)$

$= 2x {}^{2} - 12x - 89 - 8x {}^{2} - 7x + 1$

$= - 6x {}^{2} - 12x - 89 - 7x + 1$

$= - 6x {}^{2} - 19x - 89 + 1$

$= - 6x {}^{2} - 19x - 88$

Att. Makaveli1996