重生之我真是恶魔:(x+1)(x-1)(xx+10(xx+1)
来源:百度文库 编辑:高校问答 时间:2024/05/26 08:04:30
初一数学题
(x+1)(x-1)(xx+1)(xx+1)
=(xx-1)(xx+1)(xx+1)
=(x^4-1)(x^2+1)
=x^6+x^4-x^2-1
(x+1)(x-1)(xx+1)(xx+1)
=(xx-1)(xx+1)(xx+1)
=(x^4-1)(x^2+1)
=x^6+x^4-x^2-1