(分解因式 急速)-2a^n-1减4a^n+1减6a^2n+3
问题描述:
(分解因式 急速)-2a^n-1减4a^n+1减6a^2n+3
答
-2a^n-1减4a^n+1减6a^2n+3
=﹣2a^n-1 -4a^n-1*a^2-6a^n-1*a^n+4
=﹣2a^n-1(1+2a²+3a^n+4)