Question

1) Fatore as expressões:
a) x2 - 36 =
b) x2 -  64 =
c) x2 + 14x + 48 =
d) x2 - 12x + 27 =
​

Answer 1

Resposta:

a) x² - 36 = (x + 6) · (x - 6)

b) x² - 64 = (x + 8) · (x - 8)

c) x² + 14x + 48 = (x + 7)² = (x + 7) · (x + 7)

d) x² - 12x + 27 = (x - 9) · (x - 3)