(X-1)(X-2)=X*X-3X+2 X*X-3X+2=(X-1)(X-3) X*X+4X+4=X(X-4)+4 X*
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/07 14:21:03
(X-1)(X-2)=X*X-3X+2 X*X-3X+2=(X-1)(X-3) X*X+4X+4=X(X-4)+4 X*X+Y*Y=(X+Y)(X-Y) 哪一个因式分解是正确的
![(X-1)(X-2)=X*X-3X+2 X*X-3X+2=(X-1)(X-3) X*X+4X+4=X(X-4)+4 X*](/uploads/image/z/15464238-6-8.jpg?t=%28X-1%29%28X-2%29%3DX%2AX-3X%2B2+X%2AX-3X%2B2%3D%28X-1%29%28X-3%29+X%2AX%2B4X%2B4%3DX%28X-4%29%2B4+X%2A)
第一个正确.
其余正确形式是:
X*X-4X+3=(X-1)(X-3)
X*X+4X+4=(X+2)(x+2)
X*X-Y*Y=(X+Y)(X-Y)
其余正确形式是:
X*X-4X+3=(X-1)(X-3)
X*X+4X+4=(X+2)(x+2)
X*X-Y*Y=(X+Y)(X-Y)
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