math
posted by shonye .
Solve by reverse FOIL: 14x^2+48x+18=0

you have factors of the form
(14x+?)(x+?) or
(7x+?)(2x+?)
where ? is is in the set {1,2,3,6,9,18}
So, try a few until you come up with
(7x+3)(2x+6)
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