SOLUTION: factor 24-4a+6b-ab completely. if the polynomial is not factorable, choose prime. thank you.

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Question 198245: factor 24-4a+6b-ab completely. if the polynomial is not factorable, choose prime.
thank you.

Answer by RAY100(1637)   (Show Source): You can put this solution on YOUR website!
24 -4a +6b -ab
.
This factoring is called grouping, and is possibly the hardest type
.
4 ( 6-a) + b ( 6-a)
.
(4+b) (6-a)
.
checking FOIL answer, 24 -4a +6b -ab
.
review carefully,,,usually the next to last step is hardest to visualize, but try
.
a c +b c = (a+b) (c) , above c is just (6-a)

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