你好,解答如下:x = 2时,y = 0x = -3时,y = 10
当x=2y=(x+1)(x-2)y=3x0y=0当x=-3y=(x+1)(x-2)y=-2x(-5)y=10
x=2y=(x+1)(x-2)=0x= -3y=(x+1)(x-2)=(-3+1)(-3-2)=10