Question

calcule (x+3).(x+4)

Answer 1

Explicação passo-a-passo:

(x + 3).(x + 4)

= x² + 4x + 3x + 12

= x² + 7x + 12

Answer 2

Oie, Td Bom?!

$= (x + 3) \: . \: (x + 4)$

$= x \: . \: (x + 4) + 3(x + 4)$

$= x {}^{2} + 4x + 3x + 12$

$= x {}^{2} + 7x + 12$

Att. Makaveli1996