Find f(x-1) when f(x)=4x^2+5x+4

f(x-1)=4(x-1)^2+5(x-1)+4

F(x-1)= 4(X^2-2x+1)+5x-5+4
f(x-1)= 4x^2-8x+4+5x-1
f(x-1)= 4x^2-3x+3