Posted by **Diana** on Thursday, May 10, 2007 at 4:44pm.

How do you factor 3x^2-x-4?

thanks in advance

How do you factor 3x^2-x-4?

thanks in advance

3 times what = 3? 3 of course. giving you (3x+/-a)(1x+/-b).

a and b can only be 1 and 4 or 2 and 2.

Can you take it from here?

(3x-4)(x+1)?

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