SOLUTION: I am having a problem solving this equation: {{{ 12x^2+39x-20 }}} I need to factor this but am getting nowhere. Is it not factorable?

Question 442060: I am having a problem solving this equation: I need to factor this but am getting nowhere. Is it not factorable?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

The problem with your question is that the answer is both yes and no. I suspect you mean Is it factorable over the rational numbers, in which case the answer is no. But all quadratic trinomials are factorable if you allow complex number factors. A large subset of these are factorable over the real irrational numbers. And only a tiny fraction of these are factorable over rational numbers.

The given quadratic actually has a pair of irrational factors:

John

My calculator said it, I believe it, that settles it

The Out Campaign: Scarlet Letter of Atheism

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