Posted by **shonye** on Wednesday, February 13, 2013 at 11:49am.

Solve by reverse FOIL: 14x^2+48x+18=0

- math -
**Steve**, Wednesday, February 13, 2013 at 3:14pm
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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