SOLUTION: solve: b^2+13b-12. is it factorable or not? and solve it. Thank you very much

Question 704754: solve: b^2+13b-12. is it factorable or not? and solve it. Thank you very much
Answer by josgarithmetic(39621) (Show Source): You can put this solution on YOUR website!
A little bit of trial effort to fill in this format will help.
(b_______(?))(b______(?))=b^2+13b-12

What two integers give a product of -12 and a sum of +13?
Try 2, -6; -2, 6; 3, -4; -3, 4; 1, -12; -1, 12. Any of those pairings work?

NOT factorable; at least not the way you'll want. Roots for the expression as a quadratic equation are and .
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