Question 976840
{{{x^2-1=(x+1)(x-1)}}}
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{{{(x+4)/(x^2-1)-5=1/(x-1)}}}
{{{(x+4)/(x^2-1)-5((x^2-1)/(x^2-1))=(x+1)/(x^2-1)}}}
{{{(x+4-5x^2+5)/(x^2-1)=(x+1)/(x^2-1)}}}
{{{-5x^2+x+9=x+1}}}
{{{-5x^2+8=0}}}
{{{5x^2=8}}}
{{{x^2=8/5}}}
{{{x=0 +- sqrt(8/5)}}}
{{{x=0 +- (2/5)sqrt(10)}}}