Question 845054
{{{ log(4, (x^2+6))=3}}}


In exponential form, becomes {{{4^3=x^2+6}}} ,  a quadratic equation.
{{{x^2+6=64}}}
{{{x^2=58}}}
{{{highlight(x=0+- sqrt(58))}}}  ------- ( the zero put in only for rendering purposes on this site).