解不等式(y+2)²-(3+y)(y-3)

来源：学生作业帮助网编辑：六六作业网时间：2024/12/23 21:57:47

解不等式(y+2)²-(3+y)(y-3)解不等式(y+2)²-(3+y)(y-3)解不等式(y+2)²-(3+y)(y-3)(y+2)²-(3+y)(y-3)

解不等式(y+2)²-(3+y)(y-3)
解不等式(y+2)²-(3+y)(y-3)

解不等式(y+2)²-(3+y)(y-3)
(y+2)²-(3+y)(y-3)

(y+2)²-(3+y)(y-3)<1
y^2+4y+4-(y^2-9)<1
y^2+4y+4-y^2+9-1<0
4y+12<0
4y<-12
y<-3

y²+4y+4-(y²-9)<1
4y<-12
y<-3

(y+2)²-(3+y)(y-3)<1
y²+4y+4-(y²-9)<1
4y+13<1
y<-3