Question

calcule o produto

(x + 2) . (x + 7)​

Answer 1

Resposta:

x^2+7×+2×+14

×^2+9×+14

Answer 2

Oie, Td Bom?!

$= (x + 2) \: . \: (x + 7)$

$= x \: . \: (x + 7) + 2(x + 7)$

$= x {}^{2} + 7x + 2x + 14$

$= x {}^{2} + 9x + 14$

Att. Makaveli1996