因式分解:-2a^n+2+16a^n-32a^n-2 )

问题描述:

因式分解:-2a^n+2+16a^n-32a^n-2 )

-2a^n+2+16a^n-32a^n-2
=-2a^n+16a^n-32a^n
=a^n(-2+16-32)
=-18a^n
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=-2a^n-2*(a^4-8a^2+16)
=-2a^n-2*(a^2-4)^2