College

Select the correct answer.

Simplify the expression [tex]-4 x^2(3 x-7)[/tex].

A. [tex]-12 x^3+28 x^2[/tex]
B. [tex]-12 x^3-28[/tex]
C. [tex]-12 x^3+28[/tex]
D. [tex]-12 x^3-28 x^2[/tex]