x3–2x2 1=0如何求解
发布网友
共2个回答
热心网友
=x^3-x^2-(x^2-1)
=x^2(x-1)-(x-1)(x+1)
=(x-1)(x^2-1)
=(x+1)(x-1)^2
热心网友
你好！
热心网友
=x^3-x^2-(x^2-1)
=x^2(x-1)-(x-1)(x+1)
=(x-1)(x^2-1)
=(x+1)(x-1)^2
热心网友
你好！
