因式分解(1)x^2-y^2+ax+ay (2)(x+y)^2-3(x+y因式分解(1)x^2-y^2+ax+ay(2)(x+y)^2-3(x+y)-10(3)a^4-2a^3+a^2-9(4) x^2-2xy-xz-yz+y^2(5) y(y-2)-(m-1)(m+1)

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因式分解(1)x^2-y^2+ax+ay (2)(x+y)^2-3(x+y因式分解(1)x^2-y^2+ax+ay(2)(x+y)^2-3(x+y)-10(3)a^4-2a^3+a^2-9(4) x^2-2xy-xz-yz+y^2(5) y(y-2)-(m-1)(m+1)
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因式分解(1)x^2-y^2+ax+ay (2)(x+y)^2-3(x+y因式分解(1)x^2-y^2+ax+ay(2)(x+y)^2-3(x+y)-10(3)a^4-2a^3+a^2-9(4) x^2-2xy-xz-yz+y^2(5) y(y-2)-(m-1)(m+1)
因式分解(1)x^2-y^2+ax+ay (2)(x+y)^2-3(x+y
因式分解(1)x^2-y^2+ax+ay
(2)(x+y)^2-3(x+y)-10
(3)a^4-2a^3+a^2-9
(4) x^2-2xy-xz-yz+y^2
(5) y(y-2)-(m-1)(m+1)

因式分解(1)x^2-y^2+ax+ay (2)(x+y)^2-3(x+y因式分解(1)x^2-y^2+ax+ay(2)(x+y)^2-3(x+y)-10(3)a^4-2a^3+a^2-9(4) x^2-2xy-xz-yz+y^2(5) y(y-2)-(m-1)(m+1)