因式分(1)x4-y4;(2)(x2+4)2-16x2;(3)3a3-6a2+3a.
题型:解答题难度:一般来源:不详
因式分 (1)x4-y4; (2)(x2+4)2-16x2; (3)3a3-6a2+3a. |
答案
(1)x4-y4, =(x2+y2)(x2-y2), =(x2+y2)(x+y)(x-y);
(2)(x2+4)2-16x2, =(x2+4x+4)(x2-4x+4), =(x+2)2(x-2)2;
(3)3a3-6a2+3a, =3a(a2-2a+1), =3a(a-1)2. |
举一反三
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