将(x+y)2+8(x+y)-20分解因式,等于A.(x+y+10)(x+y-2

发布时间:2020-07-26 23:28:54

将(x+y)2+8(x+y)-20分解因式,等于A.(x+y+10)(x+y-2)B.(x+y+5)(x+y-4)C.(x+y+2)(x+y-10)D.(x+y+4)(x+y-5)

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