Question

(3x+1)2 + (3x-1)2 – 2
pra hj rapidoooooo

Answer 1

Oie, Td Bom?!

$= (3x + 1) {}^{2} + (3x - 1) {}^{2} - 2$

$= 9x {}^{2} + 6x + 1 + 9x {}^{2} - 6x + 1 - 2$

$= 9x {}^{2} + 1 + 9x {}^{2} + 1 - 2$

$= 18x {}^{2} + 1 + 1 - 2$

$= 18x {}^{2} + 0$

$= 18x {}^{2}$

Att. Makaveli1996