SOLUTION: Factor completely : 4+ 27a+ 35a^2?

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Question 764880: Factor completely : 4+ 27a+ 35a^2?
Answer by josgarithmetic(39627) About Me  (Show Source):
You can put this solution on YOUR website!
Examine several trials. Lead terms must give 35, end terms must give 4, and only positive signs.

(35+2)(1+2), no
(35+4)(1+1), no
(35+1)(1+4), no
(5+2)(7+2), no
(5+1)(7+4), yes. ______ 5*4 +1*7=27

FACTORIZATION:______ highlight%28%285a%2B1%29%287a%2B4%29%29