因式分解的简单应用(x^2y-xy^2)/(x-y)=__(a^2-9)/(a+3)=_(m^2+2mn

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因式分解的简单应用
(x^2y-xy^2)/(x-y)=______
(a^2-9)/(a+3)=_____
(m^2+2mn+n^2)/(m+n)=_____
(4x^2-4x+1)/(1-2x)
(a^2-64)/(a-8)
(3x^3 y^2+6x^2 y^3)/(x+2y)
(-9m^2+4n^2)/(3m+2n)
(4a^2-20ab+25b^2)/(5b-2a)
(1-16a^4)/(4a^2+1)/(2a+1)
解方程
x^2+2x=0
9x^2-4=0
-1/2x^2+2x=0
(3a-4)^2=25

x^2y-xy^2)/(x-y)=__xy(x-y)/(x-y)=xy____
(a^2-9)/(a+3)=__=(a+3)(a-3)/(a+3)=a-3___
(m^2+2mn+n^2)/(m+n)=__=(m+n)^2/(m+n)=m+n___
(4x^2-4x+1)/(1-2x)=(1-2x)^2/(1-2x)=1-2x
(a^2-64)/(a-8)=(a+8)(a-8)/(a-8)=a+8
(3x^3 y^2+6x^2 y^3)/(x+2y)=3x^2y^2(x+2y)/(x+2y)=3x^2y^2
(-9m^2+4n^2)/(3m+2n)=(2n+3m)(2n-3m)/(3m+2n)=2n-3m
(4a^2-20ab+25b^2)/(5b-2a)=(5b-2a)^2/(5b-2a)=5b-2a
(1-16a^4)/(4a^2+1)/(2a+1)=(1-4a^2)(1+4a^2)/[(4a^2+1)(2a+1)]=(1+2a)(1-2a)/(1+2a)=1-2a
解方程
x^2+2x=0
x(x+2)=0
x=0,x=-2
9x^2-4=0
(3x+2)(3x-2)=0
x=-2/3,x=-2/3
-1/2x^2+2x=0
-1/2x(x-4)=0
x=0,x=4
(3a-4)^2=25
(3a-4)^2-25=0
(3a-4+5)(3a-4-5)=0
(3a-1)(3a-9)=0
a=1/3,a=3

1.(因式分解)m*m/9-mn/3+n*n/4.2.已知x*x+y*y-2x+1=0,求xy=________. 因式分解：4a^2(x-y)+9(y-x) -4x^2y^2+x^3y+4xy^3 因式分解:(x+y)(x+2y)=x的平方+3xy+2y的平方因式分解:x^2y+xy^2=? 因式分解3a(x-y)+9(y-x) x的平方+y的平方-1-2xy (x+2)(x+6)+x的平方-4 求帮忙、因式分解、 6xy^2-9x^2y-y^3= （ a-b）^3（x-y）+（x+y）（a-b）^3= 25（m- 因式分解：（x+y）（x+y+2xy）+（xy+1）（xy-1）=______．因式分解mn（x^2+y^2）+xy（m^2+n^2） x,y互为相反数,m,n互为倒数,a的绝对值=1,求a的平方-（x+y+mn)a+(x+y)2009的平方-（-mn)2 36-x平方等于几(因式分解）四分之一Y平方+Y+1因式分解,2MN-M平方-N平方,9-十六分之一A平方全是因式分解因式分解：3a(x-y)-2(y-x)的平方因式分解：16（x-y）2-24xy（y-x）=8（x-y）（______）．

因式分解的简单应用(x^2y-xy^2)/(x-y)=______(a^2-9)/(a+3)=_____(m^2+2mn

因式分解的简单应用(x^2y-xy^2)/(x-y)=__(a^2-9)/(a+3)=_(m^2+2mn