刚学会因式分解的皮毛,求助一道题
分解因式:(5x−6)(x+1)(5x2−3x−4)−4x2(5x-6)(x+1)(5x^2-3x-4)-4x^2(5x−6)(x+1)(5x2−3x−4)−4x2
bdfs无果