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OK, im gonna give you an example....
Find (a+b) (b+c):

F stands for first terms: (a)(b)= ab
O stands for outer terms: (a)(c)= ac
I stands for inner terms: (b)(b)=  b^{2}
and L stands for last terms: (b)(c)= bd
So the answer is ab+ac+ b^{2} +bc.
2 5 2
The answer would be 25x#2+20x+4 
0 0 0
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