Respuesta :

Answer:

-2a +11b

Step-by-step explanation:

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

we apply distributive property:

3*a + 3*2b - 5*a + 5*b

3a+ 6b -5a +5b

-2a +11b

Answer:

-2a+11b

Step-by-step explanation:

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

multiplying the numbers inside brackets

3a+6b-5a+5b                 ∵  -  ×  -  =  +

3a-5a+6b+5b

-2a+11b