Michael J. answered 05/06/15
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Effective High School STEM Tutor & CUNY Math Peer Leader
6x2 + 7x - 49
There are common factors that the terms in the trinomials have. We use FOIL method.
(2x - 7)(3x + 7)
15n2 - 27n - 6
The factors that each term in the trinomial have in common is 3. Take out the 3.
3(5n2 - 9n - 2)
Next, we factor the rest using FOIL.
3(5n + 1)(n - 2)
Robyn Y.
05/06/15