摘要:分解因式: a3+ ab2 - 2a2b = ,
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把下列各式分解因式:
(1)x3-x;
(2)a3-2a2b+ab2;
(3)3a2b-6ab2;
(4)-6a3+15ab2-9ac2;
(5)a(x-y)-x+y;
(6)x2+4y2-4xy;
(7)x2(a-b)+4(b-a);
(8)(x2+4)2-16x2.
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(1)x3-x;
(2)a3-2a2b+ab2;
(3)3a2b-6ab2;
(4)-6a3+15ab2-9ac2;
(5)a(x-y)-x+y;
(6)x2+4y2-4xy;
(7)x2(a-b)+4(b-a);
(8)(x2+4)2-16x2.