化简(2a的2n+2次方+3a的2n+1次方)(a-5)/(a的2n次方-5a的2n-1次方)(2a

发布时间:2021-02-27 18:08:33

化简(2a的2n+2次方+3a的2n+1次方)(a-5)/(a的2n次方-5a的2n-1次方)(2a+3)的结果为

网友回答

化简(2a的2n+2次方+3a的2n+1次方)(a-5)/(a的2n次方-5a的2n-1次方)(2a+3)
=a^(2n-1)(2a^3 + 3a^2)(a-5)/[a^(2n-1)(a-5)(2a+3)]
=(2a^3 + 3a^2)(a-5)/[(a-5)(2a+3)]
=a^2(2a + 3)(a-5)/[(a-5)(2a+3)]
=a^2
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