因式分解：（x²-y²）²-8（x²+y²）+16. 谢谢!
因式分解：（x²-y²）²-8（x²+y²）+16. 谢谢!
数学人气：322 ℃时间：2020-04-16 17:18:04
优质解答
（x²-y²）²-8（x²+y²）+16=(x²-y²)² -8(x²-y²)+16-16y²=(x²-y²-4)²-16y²=(x²-y²-4+4y)(x²-y²-4-4y)=[x²-(y&...
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