因式分解的

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因式分解的
因式分解的

因式分解的
1- 14 x2
4x –2 x2 – 2
( x- y )3 –(y- x)
x2 –y2 – x + y
x2 –y2 -1 ( x + y) (x – y )
x2 + 1 x2 -2-( x -1x )2
a3-a2-2a
4m2-9n2-4m+1
3a2+bc-3ac-ab
9-x2+2xy-y2
2x2-3x-1
-2x2+5xy+2y2
10a(x-y)2-5b(y-x)
an+1-4an+4an-1
x3(2x-y)-2x+y
x(6x-1)-1
2ax-10ay+5by+6x
1-a2-ab-14 b2
a4+4
(x2+x)(x2+x-3)+2
x5y-9xy5
-4x2+3xy+2y2
4a-a5
2x2-4x+1
4y2+4y-5
3X2-7X+2
8xy(x-y)-2(y-x)3
x6-y6
x3+2xy-x-xy2
(x+y)(x+y-1)-12
4ab-(1-a2)(1-b2)
-3m2-2m+4
a2-a-6
2(y-z)+81(z-y)
9m2-6m+2n-n2
ab(c2+d2)+cd(a2+b2)
a4-3a2-4
x4+4y4
a2+2ab+b2-2a-2b+1
x2-2x-4
4x2+8x-1
2x2+4xy+y2
- m2 – n2 + 2mn + 1
(a + b)3d – 4(a + b)2cd+4(a + b)c2d
(x + a)2 – (x – a)2
–x5y – xy +2x3y
x6 – x4 – x2 + 1
(x +3) (x +2) +x2 – 9
(x –y)3 +9(x – y) –6(x – y)2
(a2 + b2 –1 )2 – 4a2b2
(ax + by)2 + (bx – ay)2
x2 + 2ax – 3a2
3a3b2c-6a2b2c2+9ab2c3
xy+6-2x-3y
x2(x-y)+y2(y-x)
2x2-(a-2b)x-ab
a4-9a2b2
ab(x2-y2)+xy(a2-b2)
(x+y)(a-b-c)+(x-y)(b+c-a)
a2-a-b2-b
(3a-b)2-4(3a-b)(a+3b)+4(a+3b)2
(a+3)2-6(a+3)
(x+1)2(x+2)-(x+1)(x+2)2
要是你这些都会了,考试就没问题了
这里的x2表示x的平方