Respuesta :

[tex] \sqrt[n]{x} \sqrt{x} \sqrt{x} x^{2} \\ \\ \\ \\ \\ \int\limits^a_b {x} \, dx \left \{ {{y=2} \atop {x=2}} \right. x_{123} [/tex]
12x^3 - 14x^2 - 40x
-----------------------
        2x - 5
    (2x-5)(6x^2 +8x)
= -------------------------
          2x - 5
=
6x^2 + 8x (2x - 5 is canceled out)

answer is C. 
6x^2 + 8x 

hope that helps
RELAXING NOICE
Relax