人教版八年级数学上册因式分解综合练习题大全75.docx

1、人教版八年级数学上册因式分解综合练习题大全75 c2x2 (xp)2(xq)2 16a2b2 c4y4 a3b25ab a264 1 a2b2 x2yy x41 49 x28x16 9a218a9 49x228xy4y2 x214xy49y2 64a216abb2 4mx28mxy4my2 (ab)210(ab)25 16(ab)240(ab)25 49m270mn25n2 6ab5c18a4b 8dx2dy 5m(za)n(za) 14mn16m4n2 4xy4z2x2y p(xc2)q(xc2) 4a(z26)9b(z26) 4xyz14x4y 4ab214ab4 9c2x2 25(xp)

2、29(xq)2 a2b2 81d4y4 a3b100ab 4a24 1 a2b2 x2yy m281 49 c26c9 81a236a4 36x236xy9y2 x26xy9y2 36a212abb2 6nx212nxy6ny2 (xy)28(xy)16 64(bc)264(bc)16 36m284mn49n2 4ab4c14a4b 6bx2by m(zb)n(zb) 4m2n2m2n2 6xyz12xy 2p(z2a2)7q(z2a2) a(y22)9b(y22) 16xyz2x5y2 20a2b16ab a2100x2 4(xp)236(xq)2 a236b2 x4y4 a3bab 9a2

3、64 1 a2b2 x2y4y x281 81 c212c36 64c248c9 9x236xy36y2 x210xy25y2 16a28abb2 5cx210cxy5cy2 (mn)212(mn)36 25(mn)240(mn)16 9m212mn4n2 4a3b3c20ab2 4dx5dy m(xa)6n(xa) 18m3n48mn 20x4y2z20x2y p(yb)q(yb) a(z28)8b(z28) 6xy2z2x6y5 14a3b12a3b4 9d236x2 36(xp)236(xq)2 a2b2 81b4y4 a3bab a29 1 a2b2 x2y4y b4256 4 d24

4、d4 9d218d9 9x236xy36y2 x212xy36y2 64a216abb2 2dx24dxy2dy2 (ab)26(ab)9 81(mn)254(mn)9 4m212mn9n2 4a5b4c8ab2 10dx10dy m(zb)9n(zb) 10mn4mn4 10xyz20x2y 8p(z3c3)q(z3c3) 10a(z24)b(z24) 6x3y5z8x6y2 8a4b416a2b4 4y29x2 (xp)2(xq)2 a2b2 a4y4 a3bab 4a264 1 a2b2 x2yy a4256 4 c24c4 36x224x4 9x218xy9y2 x26xy9y2 64

5、a216abb2 10ax220axy10ay2 (bc)210(bc)25 49(xy)270(xy)25 4m212mn9n2 8a3b5c4ab 4nx6ny 6m(yb)n(yb) 14m4n42mn2 18x2yz10x2y4 p(zb)9q(zb) 10a(x26)b(x26) 8xyz12xy 14ab416a2b y216x2 (xp)225(xq)2 16a2b2 81c4y4 a3bab a264 1 a2b2 x2yy b281 9 c28c16 49a270a25 9x212xy4y2 x216xy64y2 36a212abb2 10ax220axy10ay2 (xy)

6、24(xy)4 81(xy)2108(xy)36 4m28mn4n2 16a2bc6ab 6nx6ny m(ya)n(ya) 20mn28m3n3 4x2y3z16xy 8p(ya)q(ya) 10a(z8)6b(z8) 2x6yz8x2y 10ab32ab2 81a236x2 (xp)216(xq)2 a2b2 16c4y4 a3b49ab 16a264 1 a2b2 x2yy b2256 49 b212b36 4c216c16 4x212xy9y2 x220xy100y2 4a24abb2 9nx218nxy9ny2 (xy)210(xy)25 16(bc)232(bc)16 4m216m

7、n16n2 18abc4ab6 7dx4dy 6m(xb)n(xb) 2m4n8m3n 12x3yz2xy3 8p(zc2)2q(zc2) 10a(z8)6(z8) 12xy4z4xy3 18a3b36ab3 y249x2 (xp)236(xq)2 64a249b2 b4y4 a3bab 4a236 1 a2b2 x2yy y2256 4 a24a4 25c250c25 9x218xy9y2 x24xy4y2 64a216abb2 6cx212cxy6cy2 (bc)24(bc)4 4(xy)220(xy)25 25m220mn4n2 8abc8a2b5 5nx5ny 3m(za)n(za)

8、20m2n2mn4 14xy2z14xy p(y3b2)2q(y3b2) a(x26)(x26) 14xy2z18x4y 14ab20a4b c236x2 (xp)2(xq)2 a2b2 81a4y4 a3bab 16a281 1 a2b2 x2yy y41 49 b210b25 64c280c25 4x216xy16y2 x220xy100y2 100a220abb2 5mx210mxy5my2 (ab)210(ab)25 16(mn)240(mn)25 49m298mn49n2 4abc20ab 8nx6ny m(zb)n(zb) 12mn16m3n4 8xy3z18x3y p(zb)q(

9、zb) a(x5)3b(x5) 6xy6z10xy 6ab24ab 49a29x2 9(xp)24(xq)2 36a2b2 81a4y4 a3b36ab 16a281 1 a2b2 x2y100y m41 64 x26x9 16x240x25 36x272xy36y2 x218xy81y2 25a210abb2 6dx212dxy6dy2 (mn)26(mn)9 64(ab)296(ab)36 4m224mn36n2 4abc6a2b2 8dx5dy m(ya)n(ya) 14m3n12m3n4 20xy2z16x4y p(z2a)q(z2a) 9a(y28)(y28) 8xyz8x2y4 4

10、ab220a4b2 y249x2 (xp)2(xq)2 a236b2 81x4y4 a3bab a216 1 a2b2 x2y64y y41 25 x24x4 36y272y36 25x240xy16y2 x212xy36y2 9a26abb2 6bx212bxy6by2 (xy)24(xy)4 49(mn)256(mn)16 9m242mn49n2 20abc4ab6 4nx2ny m(xb)9n(xb) 2m4n6m2n2 2x2y2z20x3y3 8p(y3c)7q(y3c) 3a(x22)8(x22) 4x3yz4xy 2ab12ab3 16y29x2 (xp)216(xq)2 25a

11、2100b2 x4y4 a3b16ab 9a264 1 a2b2 x2yy y41 49 c212c36 16c248c36 16x232xy16y2 x218xy81y2 16a28abb2 6mx212mxy6my2 (xy)212(xy)36 36(xy)272(xy)36 49m256mn16n2 2abc2a4b3 10mx5my 2m(yb)2n(yb) 4m2n316mn3 6xyz20xy3 p(x2a3)q(x2a3) 5a(x22)6(x22) 6xy2z18xy 12a2b22ab2 c2x2 (xp)2(xq)2 4a236b2 a4y4 a3b64ab 9a2100

12、1 a2b2 x2y25y a416 25 a28a16 49x284x36 9x242xy49y2 x212xy36y2 49a214abb2 4dx28dxy4dy2 (xy)212(xy)36 49(ab)270(ab)25 25m270mn49n2 14a3bc6ab 8bx3by 8m(zc)n(zc) 20m3n314mn4 10x4y4z18x3y4 p(yc2)q(yc2) 4a(y5)(y5) 20x3yz20x2y 16ab42a2b 64c2x2 (xp)29(xq)2 a216b2 a4y4 a3b49ab a24 1 a2b2 x2y100y a481 16 b28b

13、16 81y290y25 4x212xy9y2 x220xy100y2 16a28abb2 8ax216axy8ay2 (bc)28(bc)16 4(ab)224(ab)36 9m224mn16n2 6ab2c4ab 7ax9ay 5m(yc)9n(yc) 10mn320mn 14xyz20xy 6p(z3c2)7q(z3c2) 10a(y9)2b(y9) 2x2yz12x5y 10ab316ab3 25d249x2 16(xp)2(xq)2 16a249b2 a4y4 a3bab a281 1 a2b2 x2yy n41 49 b210b25 25a240a16 49x284xy36y2 x

14、26xy9y2 16a28abb2 10bx220bxy10by2 (bc)24(bc)4 64(xy)216(xy)1 4m212mn9n2 18abc18ab2 8nx3ny m(xb)2n(xb) 6mn20mn 16xyz18xy3 3p(yb)q(yb) 2a(y27)(y27) 20x2y6z2x3y2 14a4b420a4b 64c2x2 36(xp)2(xq)2 4a2b2 16b4y4 a3b36ab 4a21 1 a2b2 x2yy m41 4 x210x25 16a28a1 4x228xy49y2 x26xy9y2 81a218abb2 9bx218bxy9by2 (ab

15、)24(ab)4 64(mn)280(mn)25 16m240mn25n2 16ab6c8ab6 10mx2my m(za)n(za) 6m4n8m2n 10x2y3z6x3y4 5p(xc3)q(xc3) a(y21)(y21) 8xy3z8x4y3 18a3b14a2b a29x2 (xp)236(xq)2 a2b2 c4y4 a3bab a264 1 a2b2 x2yy n216 25 d212d36 16b224b9 36x224xy4y2 x28xy16y2 81a218abb2 6mx212mxy6my2 (xy)210(xy)25 16(bc)216(bc)4 9m242mn49n2 6ab4c12ab 10bx10by m(yc)n(yc) 20m4n314mn 8xy4z12xy3 5p(xb3)4q(xb3) a(z24)9(z24) 14x6y2z12xy 6a3b10ab c281x2 (xp)2(xq)2 64a24b2 x4y4 a3b49ab 4a2