Question

10) Desenvolva os produtos notáveis:

a) (x + 10) (x + 10) =
b) (x-8)(x - 8) =​

Answer 1

Oie, Td Bom?!

a)

$= (x + 10) \: . \: (x + 10)$

$= (x + 10) {}^{2}$

$= x {}^{2} + 2x \: . \: 10 + 10 {}^{2}$

$= x {}^{2} + 20x + 100$

b)

$= (x - 8) \: . \: (x - 8)$

$= (x - 8) {}^{2}$

$= x {}^{2} - 2x \: . \: 8 + 8 {}^{2}$

$= x {}^{2} - 16x + 64$

Att. Makaveli1996