P(x)= x kare+ 2x+ 1 ise p(x-1)=?
P(x)= x ise P(x-1)= x-1 kare+2(x-1)+1= kare+2x olur
[tex]P(x-1)=(x-1)^{2}+2(x-1)+1 \\P(x-1)=x^{2}-2x+1+2x-2+1 \\P(x-1)=x^{2}[/tex]
