10(x+1)(x+1)=14.4x=?
问题描述:
10(x+1)(x+1)=14.4x=?
快
答
(x+1)(x+1)=14.4
(x+1)=1.2 x=0.2or
x+1=-1.2 x=-2.2
4x=0.8
4x=-8.8