Which expression is equivalent to (x² - 2x)(3x² + 4x-7)?
O A. x²(3x² + 4x) - 2x(4x - 7)
OB. x²(3x² + 4x-7) - 2x
O c. x²(3x² + 4x-7) - 2x(3x² + 4x-7)
O D. x²(3x² + 4x-7)+2x(3x^2+ 4x-7)