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OpenStudy (anonymous):
20n^2+37n+15
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OpenStudy (anonymous):
\[20n^2+37n+15 = 20 N^2 +25n +12n+15=5n(4n+5) +3 (4n+5)\] can u solve now
OpenStudy (anonymous):
(@Stephen2012 do u et it
OpenStudy (anonymous):
I foil it now right?
OpenStudy (anonymous):
it becomes (5n+3) (4n+5) ask me if u hv any doubt
OpenStudy (anonymous):
Where did you get the 3 & 4?
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OpenStudy (anonymous):
tooks 5n common and 3 as common
OpenStudy (anonymous):
Oh,OK.Thanks
OpenStudy (anonymous):
8r^2-13r+5
OpenStudy (anonymous):
(4r+?)(2r-?)right
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