因式分解x方-y方+4y-4x

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因式分解x方-y方+4y-4x因式分解x方-y方+4y-4x因式分解x方-y方+4y-4xx^2-y^2+4y-4x=(x+y)(x-y)-4(x-y)=(x+y-4)(x-y)(X+Y)(X-Y)-

因式分解x方-y方+4y-4x
因式分解x方-y方+4y-4x

因式分解x方-y方+4y-4x
x^2-y^2+4y-4x
=(x+y)(x-y)-4(x-y)
=(x+y-4)(x-y)

(X+Y)(X-Y)-4(X-Y)=(X+Y-4)(X-Y)

=(x+y)(x-y)+4(y-x)
=(x-y)(x+y-4)

因式分解:(x方+y方)-4x方y方? 因式分解：(x-y)方-4(x方-y方）+4(x+y)方因式分解x方-y方+4y-4x 4(x-y)方-25(x+y)方因式分解因式分解（x方+y方）（x方+y方-4）+4 x方+y方-x方y方-4xy-1因式分解 4x方-y方-4x+1（因式分解） x方y方-x方-y方+1因式分解因式分解：-x+4xy-4y方因式分解:3X方-4XY-2Y方因式分解 -9x方＋4y方因式分解2x方-4xy-y方 2x方-4xy+y方因式分解是 x方(x-y)+(y方-x方)因式分解因式分解(x+y)平方+4(x-y)的平方-4(x方-y方) x4方-11x方y方+y4方因式分解. 因式分解x方-9y方= 2x方+(4y-7)x+2y方-7y+3（因式分解）