Question 436336
First factor out the greatest common factor, and then factor out the opposite of the GCF. 
Factor: 12u^5v^6 + 18u^2v^3 - 15u^4v^5
----------------
GCF: 3u^2v^3
----
Factored form:
3u^2v^3[4u^3v^3 + 6 - 5u^2v^2]
---------------------------------
Cheers,
Stan H.
===========