下列等式从左到右的变形属于因式分解的是( )
A.a2﹣2a+1=(a﹣1)2 | B.a(a+1)(a﹣1)=a3﹣a |
C.6x2y3=2x2•3y3 | D.mx﹣my+1=m(x﹣y)+1 |
A.a2﹣2a+1=(a﹣1)2 | B.a(a+1)(a﹣1)=a3﹣a |
C.6x2y3=2x2•3y3 | D.mx﹣my+1=m(x﹣y)+1 |