(x^2)-5xy-14y^2
(x^2)+xy-6y^2
(2x^2)+xy-6y^2
((x+y)^2)-2(x+y)-3
(a^2)-4a+3
((m+n)^2)-4(m+n)+3
(3x^2)+10x+8
(2(x+y)^2)-3(x+y)(x-y)-(20(x-y)^2)
(3x^2)-7x(x+y)-(20(x+y)^2)
x^2-6xy-16y^2
(3(x+y)^2)+10(x+y)y-(8y^2)
(5(x+y)^2)+9(x+y)z-18z^2
(3(m+2n)^2)-14(m+2n)(2m-n)-(5(2m-n)^2)
(x^2+2x)(x^2+2x+4)+3
4x^4y+4x^3y^2-440x^2y^3
2m^2-5mn-3n^2-9n
(x^2-5x+4)(x^2-5x-2)+5
10(m-n)^2-7a(m-n)-6a^2
2 X 2002^2 + 2002 X 1002 - 10 X 1002^2
199^2 + 200 X 196 -1
因式分解 F.2
2012-06-25 6:46 am
回答 (1)
2012-06-25 10:24 am
✔ 最佳答案
01.(x-7y)(x+2y)02.(x+3y)(x-2y)
03.(2x-3y)(x+2y)
04.(x+y-3)(x+y+1)
05.(a-1)(a-3)
06.(m+n-3)(m+n-1)
07.(3x+4)(x+2)
08.(7x-3y)(-3x+5y)
09.(3x-4(x+y))(x+5(x+y))
10.(x+2y)(x-8y)
11.(3(x+y)-2y)(x+5y)
12.(5(x+y)-6z)(x+y+3z)
13.(3(m+2n)+2m-n)(m+2n-5(2m-n))
14.(x^2+2x+3)(x^2+2x+1)
15.y(4x^4+y(4x^3-440x^2y))
16.(2m+n)(m-3n)-9n
17.(x^2-5x-1)(x^2-5x+3)
18.(5m-5n-6a)(2m-2n+a)
19.(2X2002+5X1002)(2002-2X1002)
2012-06-25 02:28:33 補充：
20.(199+195)(199+1)
收錄日期: 2021-04-13 18:46:10
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https://hk.answers.yahoo.com/question/index?qid=20120624000051KK00718