经典因式分解练习题100道.doc

该【经典因式分解练习题100道 】是由【知识改变命运】上传分享，文档一共【5】页，该文档可以免费在线阅读，需要了解更多关于【经典因式分解练习题100道 】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。因式分解综合训练(1))x(x+2)-x=____________________________40.)(x+2)(x-3)+(x+2)(x+4))3a3b2c-12a2b2c2+9ab2c3)x2-4x-ax+4a=__________________________=______________________________________=_________________________________________19.)25x2-49=______________________________41.)2ax2-3x+2ax-3=______________________________________2.)16x2-81=________________________________20.)36x2-60x+25=___________________________)xy+6-2x-3y=__________________________21.)4x2+12x+9=_____________________________42.)9x2-66x+121)x2(x-y)+y2(y-x)22.)x2-9x+18=______________________________=_______________________________________=__________________________________________23.)2x2-5x-3=_______________________________43.)8-2x2=______________________________)2x2-(a-2b)x-ab24.)12x2-50x+8=____________________________44.)x2-x+14=____________________________=_________________________________________25.)3x2-6x=__________________________________45.)9x2-30x+25=____________________________)a4-9a2b2=_______________________________)49x2-25=_________________________________46.)-20x2+9x+20=___________________________)x3+3x2-4=______________________________27.)6x2-13x+5=_____________________________47.)12x2-29x+15=___________________________)ab(x2-y2)+xy(a2-b2)28.)x2+2-3x=________________________________48.)36x2+39x+9=_____________________________=________________________________________29.)12x2-23x-24=______________________________49.)21x2-31x-22=_____________________________)(x+y)(a-b-c)+(x-y)(b+c-a)30.)(x+6)(x-6)-(x-6)=_________________________)9x4-35x2-4=_______________________________=______________________________________________31.)3(x+2)(x-5)-(x+2)(x-3)51.)(2x+1)(x+1)+(2x+1)(x-3))a2-a-b2-b=____________________________=____________________________________________=______________________________________________)(3a-b)2-4(3a-b)(a+3b)+4(a+3b)232.)9x2+42x+49=________________________________52.)2ax2-3x+2ax-3=___________________________________________33.)x4-2x3-35x=_______________________________=______________________________________________)(a+3)2-6(a+3)=___________________________53.)x(y+2)-x-y-1)3x6-3x2=__________________________________)(x+1)2(x+2)-(x+1)(x+2)235.)x2-25=________________________=_______________________________________________=_____________________________________________)x2-20x+100=__________________________54.)(x2-3x)+(x-3)214.)16x2-81=______________________________37.)x2+4x+3=_____________________________=_______________________________________________)9x2-30x+25=__________________________38.)4x2-12x+5=____________________________55.)9x2-66x+121)x2-7x-30=______________________________39.)3ax2-6ax=________________________________=_______________________________________________)8-2x2=__________________________)3262xy与12xy的公因式是_________________2-______=(a+7)(a-____))运用平方差公式分解:a)x4-1=____________________________)若my2xyxyn224x=()()()xy,则m=______,n=____。222)完全平方式4x9y()。)x2+4x-xy-2y+4)在多项式2n2,a2b,x44y2,4s29t24m中,可以用平)若a、b、c,这三个数中有两个数相等,则=_____________________________________方差公式分解因式的有________________________,其结abcbcacab2()2()2()__________________2()2()2()__________________)4x2-12x+5=___________________________果是_____________________。)若ab5,ab14,则a3a2bab2b3__________)21x2-31x-22=______________________________2mx)若x2(3)16是完全平方式,则m=_______。n2n1n分解因式是__________________)把31545aaa)4x2+4xy+y2-4x-2y-32xxx)x(_____)2(2)(_____)=_______________________________________________2x2004x20052006)已知1x0,xx则________.)9x5-35x3-4x=______________________________2M)若16(ab)25是完全平方式M=________。若(2x)n-81=(4x2+9)(2x+3)(2x-3),那么n的值是())26x__(x3)2x,x2___9(x3)2)若9x2-12xy+m是两数和的平方式,那么m的值())若229xky是完全平方式,则k=_______。65)把多项式a4-2a2b2+b4因式分解的结果为()2x2x)若x44的值为0,则3x125的值是________。)把(a+b)2-4(a2-b2)+4(a-b)2分解因式为()2x)方程x40,的解是________。2001200011=_________________________)2268)已知x,y为任意有理数,记M=x2+y2,N=2xy,则M与N的大小关系为()2axxx)若x15(1)(15)则a=_____。2y2)若y4,6xx则xy_______________。323)12xy18xy的公因式是___________3)__________分解因式:2x18x69)对于任何整数m,多项式(4m+5)2-9都能())若A3x5y,By3x,(m-1)(2m-1)整除26是完全平方式,则t=________)若xxt)将-3x2n-6xn分解因式,结果是())多项式(x+y-z)(x-y+z)-(y+z-x)(z-x-y)的公因式是)因式分解:_________22234242_________)分解因式:acabcabc___________________________________)若122|x2|xxyy40,则x=_______,y=________2mx)若x2(3)16是完全平方式,则m的值等于_____。)若a99,b98,则a22abb25a5b_________)2xm(xn)2x则m=____n=____)