Relax

Respuesta :

3(2a + 5) + 5(a-2)

6a+15+15a-10

=11a+5
irspow
You must perform the indicated multiplications first:

3(2a)+3(5)+5(a)+5(-2)

6a+15+5a-10  now combine like terms:

(6a+5a)+(15-10)

11a+5