x^4+10x^2-11

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x^4+10x^2-11
x^4+10x^2-11

x^4+10x^2-11
x^4+10x^2-11
=（x²+11)(x²-1)
=(x²+11)(x+1)(x-1)

x^4+10x^2-11=(x^2-1)(x^2+11)
看完了采纳哦~~祝学习进步！