Question

F2. (PUC-SP)
Simplificando (x – 2x). (x2 - 1)
obtemos:
(x-2). (x² - x²)
(a) x2 + 3x – 2
(d) x - 1
(b) x2 – 3x + 2 TOCO (e) X+1
(c) x3 – 2x2 - x + 2 STO
X

Answer 1

(x-2)

x=+2

x=2

2 - 2 . 4 - 4 ?

simplesmente n intedi