[Pascal Error] Unit1.pas(40): E2034 Too many actual parameters

a[i]:=inttostr(edit1.text,' ',i);

b[i]:= inttostr(edit2.text,' ',i);

unit Unit1;
 
interface
 
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;
 
type
  TForm1 = class(TForm)
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Button1: TButton;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
 
var
  Form1: TForm1;
 
implementation
 
{$R *.dfm}
 
procedure TForm1.Button1Click(Sender: TObject);
var i: integer;
a: array[1..8] of integer;
b: array [1..8] of integer;
c: array[1..8] of integer;
begin
   randomize;
for i:= 1 to 8 do
 begin
   a[i]:= random(50);
 a[i]:=inttostr(edit1.text,' ',i);
 end;
for i:=1 to 8 do
begin
  b[i]:= random(50);
b[i]:= inttostr(edit2.text,' ',i);
end;
end;
end.

a[i]:=StrToInt(edit1.text);
b[i]:= StrToInt(edit2.text);

for i:= 1 to 8 do
 begin
   a[i]:= random(50);
   edit1.text:=edit1.text+' '+inttostr(a[i]);
 end;