C-03-Q140mediumsingle_mcqFactorize 54x4+27x3a−16x−8a54x^4 + 27x^3 a - 16x - 8a54x4+27x3a−16x−8a:a(2x+a)(3x−2)(9x2+6x+4)(2x+a)(3x-2)(9x^2 + 6x + 4)(2x+a)(3x−2)(9x2+6x