问题
解答题
解方程:(y+1)(2y-3)=(y+1)(y+4)
答案
∵(y+1)(2y-3)=(y+1)(y+4),
∴(y+1)(2y-3)-(y+1)(y+4)=0,
∴(y+1)(2y-3-y-4)=0,
即y+1=0或2y-3-y-4=0,
解得:y1=-1,y2=7.
解方程:(y+1)(2y-3)=(y+1)(y+4)
∵(y+1)(2y-3)=(y+1)(y+4),
∴(y+1)(2y-3)-(y+1)(y+4)=0,
∴(y+1)(2y-3-y-4)=0,
即y+1=0或2y-3-y-4=0,
解得:y1=-1,y2=7.