$\displaystyle x^2=2^x$

from observation 2 answers of this are $\displaystyle 2$ and $\displaystyle 4$ but $\displaystyle x=-0.0767 $is the one which not sure how got.

if I take the log of each side $\displaystyle 2log(x)=xlog(2)$ but don't see what you can do with this? thnx ahead for help