SOLUTION: simplify; (4a-2b-1)(-ab) please show me work. I believe I have it simplified but in a uncanny way. my answer is -4ab+2ab+ab

Algebra ->  Equations -> SOLUTION: simplify; (4a-2b-1)(-ab) please show me work. I believe I have it simplified but in a uncanny way. my answer is -4ab+2ab+ab      Log On


   

Question 651602: simplify; (4a-2b-1)(-ab) please show me work. I believe I have it simplified but in a uncanny way. my answer is -4ab+2ab+ab
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
%284a-2b-1%29%28-ab%29

%28-ab%29%284a-2b-1%29

%28-ab%29%284a%29%2B%28-ab%29%28-2b%29%2B%28-ab%29%28-1%29

-4a%5E2b%2B2ab%5E2%2Bab

-4a%5E2b%2Bab%2B2ab%5E2

So %284a-2b-1%29%28-ab%29 simplifies to -4a%5E2b%2Bab%2B2ab%5E2

--------------------------------------------------------------------------------------------------------------
If you need more help, email me at jim_thompson5910@hotmail.com

Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you

Jim
--------------------------------------------------------------------------------------------------------------