(眉山)点P(3,2)关于y轴的对称点的坐标是_________.
(眉山)计算:= _________.
(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:=________.