Question 849912
{{{log(4,(x^2 +7))+log(4,( 8))=5}}}
{{{log(4,(8(x^2+7)))=5}}}
{{{8(x^2+7)=4^5}}}
{{{x^2+7=128}}}
{{{x^2=121}}}
{{{x=0 +- 11}}}