因式分解2M-2M^5

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因式分解2M-2M^5
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因式分解2M-2M^5
因式分解2M-2M^5

因式分解2M-2M^5
原式=-2M(M^4-1)
=-2M(M^2+1)(M^2-1)
=-2M(M^2+1)(M+1)(M-1)

2m-2m^5
=2m(1-m^4)
=2m(1+m^2)(1-m^2)
=2m(1+m^2)(1+m)(1-m)