Question

2. Simplifique as expressões.
a) (x − 4)2 − (x − 1)2
b) (x + 4). (x − 4) − (x − 4)2

Answer 1

Resposta:

$4242 {258}^{2} 2552 \times \frac{?}{?} 2. \sqrt{ < 4?} 4 = .44.122$