Divide and simplify:
x
2
+
1
x
−
20
x
2
−
8
x
+
15
x
−
4
x
−
5
\displaystyle \frac{{\frac{{{x}^{{2}}+{1}{x}-{20}}}{{{x}^{{2}}-{8}{x}+{15}}}}}{{\frac{{{x}-{4}}}{{{x}-{5}}}}}
x
−
5
x
−
4
x
2
−
8
x
+
15
x
2
+
1
x
−
20
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Question 6
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