作业帮】-4x^(n-1)-6x^(n+1) 因式分解-4x^(n-1)-6x^(n+1) 因式分解
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】-4x^(n-1)-6x^(n+1) 因式分解-4x^(n-1)-6x^(n+1) 因式分解
】-4x^(n-1)-6x^(n+1) 因式分解
-4x^(n-1)-6x^(n+1) 因式分解
】-4x^(n-1)-6x^(n+1) 因式分解-4x^(n-1)-6x^(n+1) 因式分解
-4x^(n-1)-6x^(n+1)
=-2x~（N-1）〈2+3X`~2〉
~代表根号〈〉代表括号
我的做法有点另类 你看看吧
-4x^(n-1)-6x^(n+1)
=-4x^2n+4x^2-6x^2n-6x^2
=-10x^2-2x^2
=-2x^2(5n+1)
-2(x^(n-1))(2+3x^2)
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