(4n^2 3n) (2n^3-4) (3n^2-2n) ?
(4n² 3n ) = 12n³(12n³) (2n³-4) (3n²-2n) = (24n^6 - 48n³) (3n²-2n)= 72n^8 - 48n^7 - 144n^5 + 96n^4