(x-1)눀=4(x+1)눀

2025-06-28 17:08:52
推荐回答(1个)
回答1:

(x-1)^2=4(x+1)^2
x^2-2x+1 =4x^2+8x+4
3x^2+10x+3 =0
(3x+1)(x+3)=0
x=-1/3 or -3