Question

-8x-12x²+ 8x+ 6x²

3,2y³+1,8y²+2,2y²+ 1,8y³

2/3x²y+ 1/4x²y

1/8ab³-2/3ab³

ab²c- a²bc+ 5ab²c+ a²bc


Me ajudem pfv

tenho que entregar na segunda pro professor

Answer 1

a) -8x-12x²+8x+6x²

-6x²

b) 3,2y³+1,8y²+2,2y²+1,8y³

5y³+4y²

c) 2/3x²y + 1/4x²y

8x²y+3x²y

------------------

12

11 2x² 2y

----------------

12

d) 1/8ab³-2/3ab³

3ab³-16ab³

-----------------

24

13 2a 2b³

----------------

24

e) ab²c- a²bc+ 5ab²c +a²bc

6ab²c