可以用Mathematica试试Factor[]函数
(1)
Factor[(4*x^2 - 4*x - 35)*(x^2 - 9) - 91]
=(x-4)(7+2x)(2x^2-x-8)
(2)
Factor[(x - 1)*(x - 2)*(x - 3)*(x - 4) - 120]
=(x-6)(x+1)(x^2-5x+16)
(3)
Factor[(x - 1)*(2*x - 1)*(3*x - 1)*(6*x - 1) + x^2]
=(6x^2-6x+1)^2
可以用Mathematica试试Factor[]函数
(1)
Factor[(4*x^2 - 4*x - 35)*(x^2 - 9) - 91]
=(x-4)(7+2x)(2x^2-x-8)
(2)
Factor[(x - 1)*(x - 2)*(x - 3)*(x - 4) - 120]
=(x-6)(x+1)(x^2-5x+16)
(3)
Factor[(x - 1)*(2*x - 1)*(3*x - 1)*(6*x - 1) + x^2]
=(6x^2-6x+1)^2