public void TestGetImplicitCoeffs()
{
var p = new LinearEquation(2, 2);
var q = new LinearEquation(6, 4);
var testResult = LinearEquation.GetImplicitCoeffs(p, q);
Console.WriteLine(testResult);
Assert.AreEqual(new Tuple <double, double, double>(-2, 4, -4), testResult);
}