已知命题 $p:\left|x^2-x\right|\ge 6$  $q:x\in z$，且“p且q”与“非q”同时为假命题，求x的值.

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Hi, I am Li Ping. I am from a small village. There are many houses and rivers in my village. The houses are very beautiful. The water is clean. You can see many fish in the river. There is a mountain near our village. There aren't any pandas in the mountain. But there are many trees on the mountain. A big forest is not far from the mountain. My village is pretty. I like my village.

已知集合A={x|x²+4ax﹣4a+3=0}，B={x|x²+（a﹣1）x+a²=0}，C={x|x²+2ax﹣2a=0}，其中至少有一个集合不为空集，求实数a的取值范围．