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组成多项式
A.x2,5x,1
B.x2,-5x,-1
C.1,-5,-1
D.x2,5x,-1
若多项式x2-5x+m可分解为(x-3)(x-2),则m的值为
[ ]
x2,5x,1
x2,-5x,-1
1,-5,-1
x2,5x,-1