Question 27089
Use the foil method:
(3w+7)(2w-5)=
(F)  3w*2w=6w^2
(O)  3w*-5+=-15w
(I)  7*2w= 14w
(L)  7*-5=-35 so 
6w^2-15w+14w-35
combine like terms
6w^2-w-35