Question 131019
I BELIEVE YOU ARE MISINTERPRETING THE X FACTOR; X MUST BE REPLACED BY 14.
THUS THE 2X2 TERM SHOULD BE INTERPRETED AS (2*14^2) NOT (2*2).
ALSO YOU CANNOT SUBTRACT 22 FROM THE TERMS 22X & 324. 
ALTHOUGH YOU CAN DIVIDE OR MULTIPLY THESE TERMS BY 22, IF IT IS APPROPRIATE.  
f(x)=2x^2+22x+320
f(14)=2*14^2+22*14+320
f(14)=2*196+308+320
f(14)=392+308+320
f(14)=1,020