Question

$frac{ a^{2}-8 }{a sqrt{a}+2 sqrt{2a} }$

Answer 1

""""""""""""""""""""""""""""""""""""

Answer 2

$frac{(a-2 sqrt{2})(a+2 sqrt{2}) }{ sqrt{a}(a+2 sqrt{2}) } = frac{a-2 sqrt{2} }{ sqrt{a} } = sqrt{a}-2 sqrt{ frac{2}{a} }$