Jawabanmu

2014-09-09T07:55:48+07:00
Fx=6x+1 gx=2x²-5

(f+g)(x) =6x+1+2x²-5=2x²+6x-4

(2f-3g)(x)= 12x+2-(6x²-15)=-6x² +12x+15

f,g(x)=(6x+1)(2x²-5)