C-02-Q055mediumsingle_mcqThe factorization of 18x3+15x2−x−218x^3 + 15x^2 - x - 218x3+15x2−x−2 is:a(2x+1)(3x+2)(3x−1)(2x+1)(3x+2)(3x-1)(2x+1)(3x+2)(3x−1)b