SOLUTION: i have done over 50 problems and i have 4 that i do not understand at ALL. here is one of the problems and i hope u will help me with it. {{{3sqrt(-40x^6y^7)}}} please hel

Algebra ->  Radicals -> SOLUTION: i have done over 50 problems and i have 4 that i do not understand at ALL. here is one of the problems and i hope u will help me with it. {{{3sqrt(-40x^6y^7)}}} please hel      Log On


   



Question 339289: i have done over 50 problems and i have 4 that i do not understand at ALL.
here is one of the problems and i hope u will help me with it.
3sqrt%28-40x%5E6y%5E7%29
please help me simplify it.

Answer by Edwin McCravy(20055) About Me  (Show Source):