(x+2y-z)(x-2y-z)(x-y-z)^2
问题描述:
(x+2y-z)(x-2y-z)(x-y-z)^2
(x+2y-z)(x-2y-z)(x-y-z)^2
解方程
(2x-1)(1-2x)-8x(x+1)=-12(x-2)^2-3
答
4X^2-8X+1+8X^2+8X=12X^2-48X+48+3
48X=54
X=9/8