Question

PFR ME AJUDEM 20 PONTOS PRA AGR

Answer 1

nao vou te ajudar porque eu nao sei♡

Answer 2

Resposta:

10-

a-) (+5ab)-(-2ab)

-5-ab+2ab

-3ab

b-) 5xy+6xy-8xy+2xy-13xy

11xy-8xy+2xy-13xy

3xy+2xy-13xy

5xy-13xy

-8xy

c-) (4x²).(-6xy)

24x³y