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《提公因式、公式法因式分解专题.doc》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、因式分解练习一 提取公因式法分解因式 (1)-15ax-20a; (2)-25x8+125x16; (3)-a3b2+a2b3; (4)6a3-8a2-4a;(5)-x3y3-x2y2-xy; (6)a8+a7-2a6-3a5; (7)6a3x4-8a2x5+16ax6; (8)9a3x2-18a5x2-36a4x4; (9)(10)am-am+1; (11)-12a2n+1bm+2+20am+1b2n+4; (12)x(a+b)+y(a+b);(13)(a+b)2+(a+b); (14)a2b(a-b)+3ab(a-b); (15)x(a+b-3c)-(a
2、+b-3c) (16)a(a-b)+b(b-a); (17)(x-3)3-(x-3)2; (18)a2b(x-y)-ab(y-x); (19)a2(x-2a)2-a(2a-x)2; (20)(x-a)3+a(a-x); (21)(x-2y)(2x+3y)-2(2y-x)(5x-y); (22)3m(x-5)-5n(5-x); (23)y(x-y)2-(y-x)3; (24)a(x-y)-b(y-x)-c(x-y); 6(25)(x-2)2-(2-x)3; (26)m(n-2)-p(2-n)+(n-2); (27)a3-b3-a2+b2; (28)(m-a
3、)2+3x(m-a)-(x+y)(a-m); (29)a2(x-2a)3-a(2a-x)2; (30)(a-3)(a3-2)-(3-a)(a2-1)+2(3-a); (31)2(x-y)(a-2b+3c)-3(x+y)(2b-a-3c); (32)(x+2)(x-3)(x2-7)+(2+x)(3-x)(x+3); (33)(a-b)2(a+b)3-(b-a)2(b+a)2; (34)x(b+c-d)-y(d-b-c)-b-c+d;(35)(x+1)2(2x-3)+(x+1)(2x-3)2-(x+1)(3-2x);6因式分解练习二 运用公式法分解因式;(1)a2-9b
4、2;(2)-9x2+4y2; (3)a4-4b2; (4)a6-a8;(5)x2-324;(6)144a2-256b2;(7)64x16-y4z6; (8)16a16-25b2x4;(9)25a2b4c16-1; (10) (11)36a4x10-49b6y8; (12)81x8-225a4b4;(13)(a+b)2-100; (14)-z2+(x-y)2; (15)361-(3a+2b)2; (16)(ax+by)2-1;(17)20a3x3-45axy2; (18)(2x-3y)2-4a2; (19)(a+2b)2-(x-3y)2; (20
5、)4(a+2b)2-25(a-b)2;(21)a2(a+2b)2-9(x+y)2; (22)b2-(a-b+c)2; (23)(a+b)2-4a2; (24)(x-y+z)2-(2x-3y+4z)2;(25)4(x+y+z)2-9(x-y-z)2; (26)a-a5; (27)a4-9b4; (28)a8-81b8;(29)a9-ab2; (30)a16-b16; (31)a2b3-4a2b; (32)x2-y2+x-y;6(33)x2-y2-x-y; (34)x2-y2-x+y; (35
6、)a2-4b2-a-2b; (36)a2-4b2-2a+4b;(37)a3-ab2+a-b; (38)a3-ab2-a2-ab; (39)x2+8x+16; (40)x2-12x+36;(41)4a2-4a+1; (42)-4a2+12ab-9b2; (43)x2-38x+361; (44)9x2+12xy+4y2;(45)y2-50xy+625x2; (46)8a-4a2-4; (47)x6+24x3+144; (48)1-6ab3+9a2b6;(49)49a2-112ab+64
7、b2; (50)a3-4a2b+4ab2; (51)a4x2+4a2x2y+4x2y2; (52)16a2b4-8ab3c2+b2c4;(53)9(p-q)2-6(q-p)+1; (54)(a+2b)2-10(a+2b)+25; (55)4x2(a+b)2-12xy(a+b)2+9y2(a+b)2;(56)(x2+y2)2-4x2y2; (57) (58)a2(x-y)+b2(y-x); (59)4x2-a2-6a-9;(60)(x2-
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