program bieuthuc;
uses crt;
var x,a:real;
begin
write('nhap gia tri x'); readln(x);
a:=0;
a:=a+x*x+x+1;
write('gia tri a la',a);
readln
end.
program bieuthuc;
uses crt;
var x,a:real;
begin
write('nhap gia tri x'); readln(x);
a:=0;
a:=a+x*x+x+1;
write('gia tri a la',a);
readln
end.
var a,x:real;
begin
write('x=');readln(x);
a:=x*x+x+1;
writeln(' Ket qua la: ',a:0:0);
readln;
end.