Question

EXERCÍCIOS
Desenvolva
1) (x+y)
2) (3a + 2) =
3) (x-1/2) =

4) (x-3).(x+3) =​

Answer 1

Resposta:

1) x+y

2) 3a+2

3) x- 1/2

4) x²-3x+3x-9=x²-9