(1)63Xˇ2+22X-8 (2)Xˇ2+x+6yˇ2+3y+5xy (3)Xˇ3(X-2y)+yˇ3(2x-y)因式分解

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(1)63Xˇ2+22X-8 (2)Xˇ2+x+6yˇ2+3y+5xy (3)Xˇ3(X-2y)+yˇ3(2x-y)因式分解
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(1)63Xˇ2+22X-8 (2)Xˇ2+x+6yˇ2+3y+5xy (3)Xˇ3(X-2y)+yˇ3(2x-y)因式分解
(1)63Xˇ2+22X-8 (2)Xˇ2+x+6yˇ2+3y+5xy (3)Xˇ3(X-2y)+yˇ3(2x-y)
因式分解

(1)63Xˇ2+22X-8 (2)Xˇ2+x+6yˇ2+3y+5xy (3)Xˇ3(X-2y)+yˇ3(2x-y)因式分解
(1)63Xˇ2+22X-8
=(7x+4)(9x-2)
(2)Xˇ2+x+6yˇ2+3y+5xy
=(x^2+5xy+6y^2)+(x+3y)
=(x+2y)(x+3y)+(x+3y)
=(x+2y+1)(x+3y)
(3)Xˇ3(X-2y)+yˇ3(2x-y)
=x^4-2x^3y+2xy^3-y^4
=(x^2-y^2)(x^2+y^2)-2xy(x^2-y^2)
=(x^2-y^2)(x^2-2xy+y^2)
=(x^2-y^2)(x-y)^2
=(x+y)(x-y)^3

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