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using System;
class HelloWorld {
static void Main() {
int a;
int b;
int c;
//ارشاد للمستخدم ليدخل قيمة للمتغير
Console.Write("Please enter a:");
a = int.Parse(Console.ReadLine());
Console.Write("Please enter b:");
b = int.Parse(Console.ReadLine());
Console.Write("Please enter c:");
c = int.Parse(Console.ReadLine());
Console.WriteLine("a:{0}", a);
Console.WriteLine("b:{0}", b);
Console.WriteLine("c:{0}", c);
double d = b * b - 4 * a * c;
d = Math.Sqrt(d);
//الجذر الاول
double x1 = (-b + d) / (2 * a);
//الجذر الثاني
double x2 = (-b - d) / (2 * a);
//طباعة النتيجة
Console.WriteLine("x1: {0}",x1);
Console.WriteLine("x2: {0}", x2);
}
}
