Question 107127
{{{x^2/(x + 2)- 4/(x + 2) = x}}}
{{{x^2 - 4 = x(x + 2)}}}
{{{x^2 - 4 = x^2 + 2x}}}
{{{-4 = 2x}}}
{{{-2 = x}}}
Doesn't work because the denominator = 0 ... no solutions