Question 1078169
{{{log((x^2))+log((5))=1+log((4^2))}}}


{{{log((x^2))+log((5))-log((4^2))=1}}}


{{{log(((5x^2)/16))=1}}}


Taking base ten,
{{{10=(5x^2)/16}}}


{{{x^2=10*16/5}}}

{{{x^2=2*16}}}

{{{highlight(x=4sqrt(2))}}}