Question

me ajudaaaa porfavor

Answer 1

Resposta:

a) a+b+c

3+6+(-2)

3+6-2

9-2

7

b) 2a+3b+4b

2(3)+3(6)+4(-2)

6+18+(-8)

6+18-8

24-8

16

c) a²+5b-6c

3²+5(6)-6(-2)

3+35+12

38+12

50