Question

Simplify the complex fractions...
^Fractions shown below

Answer 1

\[\frac{ x ^{2-x-20} }{ 4 }\div \frac{ x-5 }{ 10 }\]
and
\[\frac{ 10 }{ x-5 }\div \frac{ 4 }{ x ^{2}-x-20 }\]

Answer 2

I hate dividing fractions, so change it to mult by taking the reciprocal of the 2nd

\[\frac{ x^2-x-20 }{ 4 } * \frac{ 10 }{ x-5 } \]

do you know how to factor the numerator of the 1st?