5x^m+1-10x^m+5x^m-1
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5x^m+1-10x^m+5x^m-15x^m+1-10x^m+5x^m-15x^m+1-10x^m+5x^m-1解5x^m+1-10x^m+5x^m-1=(5x^m+5x^m-10x^m)+(1-1
5x^m+1-10x^m+5x^m-1
5x^m+1-10x^m+5x^m-1
5x^m+1-10x^m+5x^m-1
解
5x^m+1-10x^m+5x^m-1
=(5x^m+5x^m-10x^m)+(1-1)
=(10x^m-10x^m)+0
=0+0
=0
5x^m+1-10x^m+5x^m-1
因式分解 5x^m+1-10x^m+5x^m-1
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