Question

3) Simplifique as expressões:
a) (x + 1)2 + (x + 2)2
b) (2x + 1)2 + ( 3x + 1)?
c) 5x - (2x + 3)?
d) (x + 5)2 - x (x + 3)​

Answer 1

Explicação passo-a-passo:

a) (x + 1)2 + (x + 2)2

(2x + 3)⁴

b) (2x + 1)2 + ( 3x + 1)

(5x + 2)²

c) 5x - (2x + 3)

(-3x + 3)

d) (x + 5)2 - x (x + 3)

(2x + 8)² -x

(x + 8)²