Question 249123
I'm going to solve it one step at a time to show the work.


Simplify:
{{{(-9u^4v^9)/(-3u^5v^8)}}}
Since both numerator and denominators are negative, eliminate their sign.
(example: -1/-1=1 ...so we can eliminate the signs.)
{{{(9u^4v^9)/(3u^5v^8)}}}
Now simplify the coefficients, what is 9/3?  Answer 3, thus we get:
{{{(3u^4v^9)/(u^5v^8)}}}
Let's cancel some of the u variables, we get:
{{{(3v^9)/(uv^8)}}}
Let's cancel some of the v variables, we get:
{{{3v/u}}}


This is as far as we can simplify this expression.  I hope the explanations helped you understand the process so you can work other similar problems.