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因式分解-x5y3+x3y5
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因式分解:-x4y5+x2y2-xy=-xyx3y4-xy
下列因式分解正确的是
-a
2
+a
3
=-a
2
(1+a)
2x-4y+2=2(x-2y)
5x
2
+5y
2
=5(x+y)
2
a
2
-8a+16=(a-4)
2
因式分解x+3y2-9x-y2
因式分解x3y-xy3=
因式分解x2x﹣y+y﹣x
因式分解x3y﹣xy=
因式分解x2-9y2的正确结果是
(x+9y)(x-9y)
(x+3y)(x-3y)
(x-3y)
2
(x-9y)
2
因式分解x2-9y2+x+3y.
因式分解2x3y-8x2y2+8xy3.
因式分解5x3y﹣20xy3
因式分解.6x3yx-y3-4xy3y-x2
因式分解5x3y﹣20xy3
因式分解x3y-xy=.
下列从左到右的变形正确进行因式分解的是
(x+5)(x-5)=x
2
-25
x
2
+x+1=x(x+1)+1
-2x
2
-2xy=-2x(x+y)
3x+6xy+9xz=3x(2y+9z)
因式分解3x2y﹣27y=.
把多项式x2-y2-2x-4y-3因式分解之后正确的结果是[]
(x+y+3)(x-y-1).
(x+y-1)(x-y+3)
(x+y-3)(x-y+1).
(x+y+1)(x-y-3)
因式分解5x3y﹣20xy3
因式分解3x+y2﹣x﹣3y2.
因式分解3ax+4y+4ay+3x.
下列用提公因式法因式分解正确的是
12abc-9a
2
b
2
=3abc(4-3ab)
3x
2
y-3xy+6y=3y(x
2
-x+2y)
-a
2
+ab-ac=-a(a-b+c)
x
2
y+5xy-y=y(x
2
+5x)
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