3/2【X+1】-【X+1】/6等于1

问题描述:

3/2【X+1】-【X+1】/6等于1

方程两边同时乘以6(X+1)
9-(X+1)²=6X+6
9-X²-2X-1=6X+6
X²+8X-2=0
所以X1=-4+3√2,X2=-4-3√2