Question 135505
{{{log2(x^2+2x)=3}}} 
{{{2^(log2(x^2+2x))=2^3}}} 
{{{(x^2+2x) = 8 }}}
{{{x^2+2x -8 = 0}}}
{{{(x+4)(x-2) = 0}}}
x = -4, x = 2