【求八年级数学分解因式,提公因式,完全平方式各20道】-查字典问答网
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  【求八年级数学分解因式,提公因式,完全平方式各20道】

  求八年级数学分解因式,提公因式,完全平方式各20道

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2020-05-14 21:47
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孙志卓

  1.ax+by+ay+bx

  2.x^3+1

  3.x^2+x^3

  4.x^2+x^3-2

  5.x^2-6x+8

  6.x^2-12x+35

  7.(x^3-1)+(x-1)(6x+11)

  8.x^4-1

  9.x^4+4

  10.b^2+ab+ac+bc

  11.x^3+y^3+z^3-3xyz

  12.x^6+8x^3+9

  13.x^2-100x+99

  14.x^2-x-y^2-y

  15.7x^2-19x-6

  16.8x^2-6x-9

  17.x+1)(x+2)-12

  18.x^2+(p+q)x+pq

  19.3x^3-6x^2+3

  20.a^2(x-2a)^2-a(x-2a)^2

  21.25m^2-10mn+n^2

  22.x^2-3x-28

  23.y^4+2y^3-3y^2

  24.(x-1)^2*(3x-2)+(2-3x)

  25.(x-2)^2-x+2

  26.x^2-12x-28

  27.12a^2*b(x-y)-4ab(y-x)

  28.a^2+5a+6

  29.x^11-2x^10+x^9

  30.x^2+x

  31.x^3+x

  32.x^4+x

  33.100x^2+30xy+2y^2

  34.6y^2-16y+8

  35.6-7a-5a^2

  36.3x^2-17x+10

  37.6a^2-11ab+3b^2

  38.2m^3+3m^2-5m

  39.(x+y)^2-2(x+y)-3

  40.a^2-b^2+2ab-c^2

  41.m^2+2mn+n^2-1

  42.x^2-4y^2+4yz-z^2

  43.9x^2-4y^2-z^2+4yz

  44.-25+a^2+9b^2-6ab

  45.2x^2-100x-102

  46.x^2*y^2-7xy+10

  47.x^2-x-2

  48.-x^2*y+6xy-8y

  49.x^2-9y^2-x+3y

  50.x^2-7x-8

  答案:

  1.(a+b)(x+y)

  2.(x+1)(x^2-x+1)

  3.x^2*(x+1)

  4.(x-1)(x^2-2x+2)

  5.(x-2)(x-4)

  6.(x-5)(x-7)

  7.(x-1)(x+3)(x+4)

  8.(x^2+1)(x-1)(x+1)

  9.(x^2-2x+2)(x^2+2x+x)

  10.(b+c)(b+a)

  11.(x+y+z)(x^2+y^2+z^2-xy-yz-xz)

  12.(x+1)(x^2-x+1)(x+2)(x^2-2x+4)

  13.(x-99)(x-1)

  14.(x+y)(x-y-1)

  15.(7x+2)(x-3)

  16.(2x-3)(4x+3)

  17.(x+5)(x-2)

  18.(x+p)(x+q)

  19.(x-1)(x^2-x-1)

  20.a(a-1)(x-2a)^2

  21.(5m-n)^2

  22.(x-7)(x+4)

  23.y^2(y-1)(y+3)

  24.x(x-2)(3x-2)

  25.(x-2)(x-3)

  26.(x-14)(x+2)

  27.4ab(3a+1)(x-y)

  28.(a+2)(a+3)

  29.x^9*(x-1)^2

  30.x(1+x)

  31.x(1+x^2)

  32.x(1+x)(1-x+x^2)

  33.2(5x+y)(10x+y)

  34.2(3y-2)(y-2)

  35.(3-5a)(a+2)

  36.(3x-2)(x-5)

  37.(2a-3b)(3a-b)

  38.m(m-1)(2m+5)

  39.(x+y-3)(x+y+1)

  40.(a+b-c)(a+b+c)

  41.(m+n+1)(m+n-1)

  42.(x+2y-z)(x-2y+z)

  43.(3x+2y-z)(3x-2y+z)

  44.(a-3b-5)(a-3b+5)

  45.2(x-51)(x+1)

  46.(xy-5)(xy-2)

  47.(x-2)(x+1)

  48.-y(x-2)(x-4)

  49.(x-y)(x+3y-1)

  50.(x-8)(x+1)

2020-05-14 21:48:37

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