x4x22ax1的知识精选

分解因式x4+x2+2ax+1﹣a2
问题详情:分解因式x4+x2+2ax+1﹣a2【回答】x4+x2+2ax+1﹣a=x4+2x2+1﹣x2+2ax﹣a2=(x2+1)﹣(x﹣a)2=(x2+1+x﹣a)(x2+1﹣x+a);知识点:因式分解题型:填空题...
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