Answer:
[tex]\frac{6}{5x^{10}}[/tex]
Step-by-step explanation:
Step 1: Simplify square roots
√72 = 6√2
√50 = 5√2
So, [tex]\frac{x^86\sqrt{2} }{x^{18}5\sqrt{2} }[/tex]
Step 2: Cancel like terms
[tex]\frac{6}{x^{10}(5)}[/tex]
Step 3: Rewrite
And we should get our answer!