(x+1)(x-1)(x+1)(x-1)如何因式分解

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(x+1)(x-1)(x+1)(x-1)如何因式分解(x+1)(x-1)(x+1)(x-1)如何因式分解(x+1)(x-1)(x+1)(x-1)如何因式分解(x+1)(x-1)(x+1)(x-1)=(

(x+1)(x-1)(x+1)(x-1)如何因式分解
(x+1)(x-1)(x+1)(x-1)如何因式分解

(x+1)(x-1)(x+1)(x-1)如何因式分解
(x+1)(x-1)(x+1)(x-1)
=(x²-1)(x²-1)
=(x²-1)²
=x^4-2x²+1

这个还要分解?

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

(x^2-1)(x^2-1)=x^4-1=(x^2+1)(x^2-1)
望采纳~~