Respostas

  • Usuário do Brainly
2013-06-06T15:24:54-03:00

Observe que>

 

4\text{a}^3=2\cdot2\cdot\text{a}^3

 

E 2\text{b}^2=2\cdot\text{b}^2

 

Logo:

 

4\text{a}^3-2\text{b}^2=2\cdot(2\text{a}^3-\text{b}^2)