Which expression is equivalent to (3x^2+4x-7)(x-2)
A.x(3x^2+4x-7)+2(3x^2+4x-7)
B.(3x^2+4x-7)(x)+(3x^2+4x-7)(-2)
C.x(3x^2+4x-7)-2
D.2x(3x^2+4x-7)