问题标题:
【2(x-1)²-x+1因式分解】
问题描述:
2(x-1)²-x+1因式分解
韩江回答:
解
2(x-1)²-x+1
=2(x-1)²-(x-1)
=(x-1)[2(x-1)-1]
=(x-1)(2x-3)
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2(x-1)²-x+1因式分解