a^n+2+a^n+1b-6a^nb^2 因式分解a^n+2+a^n+1b-6a^nb^2因式分解,8m^2+26mn-15n^2因式分解

问题描述:

a^n+2+a^n+1b-6a^nb^2 因式分解
a^n+2+a^n+1b-6a^nb^2因式分解,
8m^2+26mn-15n^2因式分解

a^n+2+a^n+1b-6a^nb^2是不是打错了

a^n+2+a^n+1b-6a^nb^2
=a^n(a²+ab-6b²)
=a^n(a+3b)(a-2b)
8m^2+26mn-15n^2
=(2m-n)(4m+15n )
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