因式分解过关练习题及答案Word文档格式.doc
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(1)2x2﹣x
(2)16x2﹣1(3)6xy2﹣9x2y﹣y3(4)4+12(x﹣y)+9
8.对下列代数式分解因式:
(1)n2(m﹣2)﹣n(2﹣m)
(2)(x﹣1)(x﹣3)+1
9.分解因式:
a2﹣4a+4﹣b2
10.分解因式:
a2﹣b2﹣2a+1
11.把下列各式分解因式:
(1)x4﹣7x2+1
(2)x4+x2+2ax+1﹣a2
(3)(1+y)2﹣2x2(1﹣y2)+x4(1﹣y)2(4)x4+2x3+3x2+2x+1
12.把下列各式分解因式:
(1)4x3﹣31x+15;
(2)2a2b2+2a2c2+2b2c2﹣a4﹣b4﹣c4;
(3)x5+x+1;
(4)x3+5x2+3x﹣9;
(5)2a4﹣a3﹣6a2﹣a+2.
因式分解专题过关
1.将下列各式分解因式
(1)3p2﹣6pq;
(2)2x2+8x+8
2.将下列各式分解因式
(1)x3y﹣xy
(2)3a3﹣6a2b+3ab2.
(1)a2(x﹣y)+16(y﹣x);
(2)(x2+y2)2﹣4x2y2.
(1)2x2﹣x;
(2)16x2﹣1;
(3)6xy2﹣9x2y﹣y3;
(4)4+12(x﹣y)+9(x﹣y)2.
5.因式分解:
(1)2am2﹣8a;
(2)4x3+4x2y+xy2
6.将下列各式分解因式:
(1)3x﹣12x3
(2)(x2+y2)2﹣4x2y2.
7.因式分解:
(1)x2y﹣2xy2+y3;
(2)(x+2y)2﹣y2.
(1)n2(m﹣2)﹣n(2﹣m);
(2)(x﹣1)(x﹣3)+1.
a2﹣4a+4﹣b2.
(1)x4﹣7x2+1;
(2)x4+x2+2ax+1﹣a2
(3)(1+y)2﹣2x2(1﹣y2)+x4(1﹣y)2(4)x4+2x3+3x2+2x+1
(4)x3+5x2+3x﹣9;