Simplify each expression. $$ \frac{2 b^{2}-4 b-16}{8} \div \frac{4 b^{2}+4 b-8}{16 b-16} $$

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Calculate or simplify the expression $$ (2*b^2-4*b-16)/(8) / ((4*b^2+4*b-8)/(16*b-16)) $$.
Simplify the expression by following steps:
- step0: Solution:
  $$\frac{\frac{\left(2b^{2}-4b-16ight)}{8}}{\left(\frac{\left(4b^{2}+4b-8ight)}{\left(16b-16ight)}ight)}$$
- step1: Remove the parentheses:
  $$\frac{\frac{2b^{2}-4b-16}{8}}{\frac{4b^{2}+4b-8}{16b-16}}$$
- step2: Divide the terms:
  $$\frac{\frac{b^{2}-2b-8}{4}}{\frac{4b^{2}+4b-8}{16b-16}}$$
- step3: Divide the terms:
  $$\frac{\frac{b^{2}-2b-8}{4}}{\frac{b+2}{4}}$$
- step4: Multiply by the reciprocal:
  $$\frac{b^{2}-2b-8}{4}	imes \frac{4}{b+2}$$
- step5: Rewrite the expression:
  $$\frac{\left(b+2ight)\left(b-4ight)}{4}	imes \frac{4}{b+2}$$
- step6: Reduce the fraction:
  $$b-4$$
The simplified expression is $$ b-4 $$.
The simplified expression is $$ b-4 $$.

Simplify each expression.

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