Formatting of -0 in .NET Core

Program.cs

using System;
using System.Globalization;

static class Program
{
    private static void Main()
    {
        static string FormatCoordinate(double x, double y) => $"({x.ToString(NumberFormatInfo.InvariantInfo)},{y.ToString(NumberFormatInfo.InvariantInfo)})";
        const double a = 0;
        const double b = 0;
        Console.WriteLine(FormatCoordinate(0, -0));
        Console.WriteLine(FormatCoordinate(a, -b));
    }
}

ZeroFormattings.csproj

<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>netcoreapp3.1</TargetFramework>
  </PropertyGroup>
</Project>