Question

1) Calcule:
a) 7. (16a2 + 1) =
b) - 2.(9x + 4) =
c) 2x5. (4x4 + x) =
d) 4. (6x2 + 4x) =
e) 5. (9x2 - 6) =​

Answer 1

Resposta:

a) 7.(16a²+1)=

112a²+7

b) -2.(9x+4)=

-18x-8

c) 2x5.(4x4+x)=

8x9+2x6

10x15

d) 4.(6x²+4x)=

24x²+16x

e)5.(9x²-6)=

45x²-30