Answer :
The answer is going to be A.
You first factor 3 out getting x^2-7x+10
Then you factor that so (x-2)(x-5) then tack that 3 onto the end so 3(x-2)(x-5)
You first factor 3 out getting x^2-7x+10
Then you factor that so (x-2)(x-5) then tack that 3 onto the end so 3(x-2)(x-5)