Question

Please show work:
$\sqrt{2^x 4^{2x+1} 8^5 } =16$

Answer 1

im not sure too but see my  work
$\sqrt{ 2^{x} } 2^{4x+2} 2^{15} = 2^{4}$

it is so simple now:
$\sqrt{ 2^{5x+17} } = 2^{4}$
x is -13/5
oh god x is negative:D
please pic from your question