Question

(2x-1).(2x+1) é igual a?

Answer 1

8 se for vereiierurururjkaqow

Answer 2

2x-1/3=1

2x-1 = 1
3

2x - 1 = 3

2x = 3+1

2x = 4

x = 2 = 2x^2-1^2