Respuesta :

gmany

Answer:

[tex]\large\boxed{d.\ 6x^3+8x}[/tex]

Step-by-step explanation:

[tex]2x(3x^2+4)\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\=(2x)(3x^2)+(2x)(4)\\\\=6x^3+8x[/tex]