Algebra

First, let's combine all like terms and put this in the form of a quadratic equation. We have

$3x^{2}+4x+10$

Now, the descriminant is in the form of $b^2-4ac$ for qudratics in the form $ax^2+bx+c$

Thus, we have

 $4^2-4(3)(10)\\ = 16 - 120\\ -104$

So the answer is -104. 

Thanks! :)