C# - Quadratic Equation Solver - ax2 + bx + c = 0

C# - Quadratic Equation Solver - ax2 + bx + c = 0

Find the x, y

using System;
using System.Collection.Generic;
using System.Linq;
using System.Text;

namespace Equation
{
class Program
    {
    static void Main (string[] args)
    {
    double a,b,c, sqr, x1, x2;
    Console.WriteLine("Enter the value of  a");
    a= Convert.ToDuble(Console.ReadLine());
    Console.WriteLine("Enter the value of b");
    b= Convert.ToDouble(Console.ReadLine());
    Console.WriteLine("Enter the value of c");
    c= Convert.Todouble(Console.ReadLine());
   
    sqr = (b*b) - ((4)*(a)*(c));
    x1 = ((((-1)*(b)) + (sqr))/ ((2)*(a)));
    x2 = ((((-1)*(b)) - (sqr))/ ((2)*(a)));
   
    Console.WriteLine("The First value is {0}\n And \n The Second value is {1}", x1,x2);
}
}
}