Multiply

5x^2-6x+2
4x^2-3x

A. 20x^4-39x^3+18x^2-6x
B. 20x^4-39x^3+26x^2-6x
C. 20x^4-24x^3+26x^2-6x
D. 20x^4-24x^3+18x^2-6x