C-03-Q044mediumsingle_mcqSimplify: (4x+3y)2+2(4x+3y)(4x−3y)+(4x−3y)2(4x+3y)^2 + 2(4x+3y)(4x-3y) + (4x-3y)^2(4x+3y)2+2(4x+3y)(4x−3y)+(4x−3y)2a64x264x^264x2b36y236y^236y2c