如图,是y=x2、y=x、y=在同一直角坐标系中图象,请根据图象写出<x<x2时x的取值范围是 .
(泸州)分解因式:= .
(内江)分解因式:= .
(内江)已知实数a,b满足:,,则|= .
(成都)因式分解:=________.
(自贡)若两个连续整数x、y满足,则x+y的值是 .