SOLUTION: can you help me with this problem? {{{ 36a^2b^3-45ab^4) }}}. i tried to work it out and i got. {{{ 3ab^2(21a-15b) }}}. but 3 would go into this again, making the problem. {{{ 6ab

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: can you help me with this problem? {{{ 36a^2b^3-45ab^4) }}}. i tried to work it out and i got. {{{ 3ab^2(21a-15b) }}}. but 3 would go into this again, making the problem. {{{ 6ab      Log On


   

Question 27336: can you help me with this problem? +36a%5E2b%5E3-45ab%5E4%29+. i tried to work it out and i got. +3ab%5E2%2821a-15b%29+. but 3 would go into this again, making the problem. +6ab%5E2%287a-5b%29+. but 6x7=42, not 36. please help me with this problem and tell me if i'm doing anything wrong.
Answer by Z(8) About Me  (Show Source):
You can put this solution on YOUR website!
Start by taking out the biggest thing possible, which would be 9ab%5E3.
%2836%2F9%29=4, %28%28a%5E2%29%2Fa%29=a, %2845%2F9%29=5, and %28%28b%5E4%29%2F%28b%5E3%29%29=b, so you end up with 9ab%5E3%284a-5b%29.