数学
(2006·邵阳)分解因式:4了
2
-4了b+b
2
=
(2了-b)
2
(2了-b)
2
.
(2006·内江)若a+b=1,a-b=2006,则a
2
-b
2
=
2006
2006
.
(它006·杭州)因式分解:(它x+e)
它
-x
它
=
(3x+e)(x+e)
(3x+e)(x+e)
.
(2005·镇江)计算:(x+2)(x-3)=
x
2
-x-6
x
2
-x-6
;分解因式:x
2
-9=
(x+3)(x-3)
(x+3)(x-3)
.
(2005·河北)分解因式:1-4x
2
=
(1+2x)(1-2x)
(1+2x)(1-2x)
.
(2003·舟山)因式分解:x
2
-10x+25=
(x-5)
2
(x-5)
2
.
(2001·济南)分解因式:(x+y)
2
-4(x+y)+4=
(x+y-2)
2
(x+y-2)
2
.
(2013·徐州模拟)分解因式:9a
2
-b
2
=
(3a+b)(3a-b)
(3a+b)(3a-b)
.
(2012·平阳县一模)分解因式9+6a+a
2
=
(3+a)
2
(3+a)
2
.
(p01p·高州市一模)因式分解:-4x
p
+y
p
=
(y-px)(y+px)
(y-px)(y+px)
.
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