因式分解训练题

1、 因式分解训练题1x2+2x-3 2x2-2ax+a2 3.(-2)m+2(-2)m-1 42y(x-y)2-(y-x)3 5-28a2b+21ab2-7ab 6 -6x2+9xy-3x 7-4a3+16a2+12a 849x3yz3+14x2y2z2-21xy2z2 96a(a-b)2-8(a-b) 10.3m(x-y)-2(y-x)2 114m2-n2 12144a2-256b2 1316x16-y4z414 15 1617 18194a(x-y)2-2b(y-x)2+(y-x) 2021 220.5x(a-b)-0.25y(b-a) 239xyz-6xy2z+3xz2 24 2581x8

2、-225a4b6 2625a2b4c16-1 27 28289-(ax-by)2 29361-(3a+2b)2 30 31 32(2x-3y)2-4a2 3336a4x16-49b6y8 34x2+8x+16 351-6ab3+9a2b6 36x6+24x3+144 37x2-38x+361 38 39(2y-3x)2-2(3x-2y)+1 40(2y-3x)2+2(3x-2y)+1 41(a+b)2-4(a2-b2)+4(a-b)242a2(b+c)2-2ab(a-c)(b+c)+b2(a-c)2 43(x+y)2-2(x2-y2)+(x-y)2 44x2-6x-1645x2-y2-z2+2

3、yz+x+y-z 46x2-13xy-30y2 47x2+13xy-30y2 48x2-7xy-30y2 49m2(p-q)-p+q 50(2m+3n)(2m-n)-4n(2m-n) 51(x+2y)2-x2-2xy 52a(ab+bc+ac)-abc 53ab-a-b+1 54xyz-xy-xz+x-yz+y+z-1 55x4-2y4-2x3y+xy3 56abc(a2+b2+c2)-a3bc+2ab2c257(a-b-c)(a+b-c)-(b-c-a)(b+c-a) 58a2(b-c)+b2(c-a)+c2(a-b)58a(a+b)(a-b)-a(a+b)2 59(x2-2x)2+2x(x

4、-2)+1 602acd-c2a-ad2 61(x-y)2+12(y-x)z+36z2 62x2-4ax+8ab-4b2 63a2b2+c2d2-2abcd+2ab-2cd+164(ax+by)2+(ay-bx)2+2(ax+by)(ay-bx)65(1-a2)(1-b2)-(a2-1)2(b2-1)2 663x4-48y467(x+1)2-9(x-1)2 68(x2+pq)2-(p+q)2x2 69(1+2xy)2-(x2+y2)2704a2b2-(a2+b2)2 714a2b2-(a2+b2-c2)2 72(c2-a2-b2)2-4a2b273(x2-b2+y2-a2)2-4(ab-xy)2 7464a4(x+1)2-49b4(x+1)4 75ab2-ac2+4ac-4a764a2-c2+6ab+3bc 77x2+4xy+3y2 78x2y2-18xy+6579x2+18x-144 80x2+30x+144 81x4+2x2-8823x4+6x2-9 83-m4+18m2-17 843x4-7x2y2-20y485x5-2x3-8x 86a3-5a2b-