Answer:
0
Step-by-step explanation:
[tex]4\sqrt{\frac{1}{32}}-2\sqrt{\frac{1}{8}}=4\sqrt{\frac{1}{4*4*2}}-2\sqrt{\frac{1}{2*2*2}}\\\\=\frac{4}{4}\sqrt{\frac{1}{2}}-\frac{2}{2}\sqrt{\frac{1}{2}}\\\\=\sqrt{\frac{1}{2}}-\sqrt{\frac{1}{2}}=0[/tex]
