what expression is equivalent to (3x^2+4x-7)(x-2)
A. x(3x^2+4x-7)-2
B. 2x(3x^2+4x-7
C. (3x^2+4x-7)(x)+(3x^2+4x-7)(-2) <==the two is a negative
D. x(3x^2+4x-7)+2(3x^2+4x-7)