Respuesta :

Answer:

Step-by-step explanation:

[tex]\frac{-12x^{4}+96x^{2}}{-4x}=\frac{-4*3*x^{4}+4*24*x^{2}}{-4x}\\\\=\frac{4x*(-3x^{3}+24x)}{-4x}=-3x^{3}+24x[/tex]