public void TryDivide_ByTerm_BySupersetVariables_xy_y()
        {
            PolynomialTerm x = 'x';
            PolynomialTerm y = 'y';

            x.TryDivide(x * y, out _).AssertIsFalse();
        }
        public void TryDivide_ByTerm_BySupersetPowers()
        {
            PolynomialTerm x = 'x';

            x.TryDivide(x * x, out _).AssertIsFalse();
        }
        public void TryDivide_ByZero()
        {
            PolynomialTerm x = 'x';

            x.TryDivide(0, out _).AssertIsFalse();
        }