2a(x^2+1)^2-2ax^2

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2a(x^2+1)^2-2ax^22a(x^2+1)^2-2ax^22a(x^2+1)^2-2ax^22a(x^2+1)^2-2ax^2=2a[(x^2+1)^2-x^2]=2a(x^2+1+x)(x

2a(x^2+1)^2-2ax^2
2a(x^2+1)^2-2ax^2

2a(x^2+1)^2-2ax^2
2a(x^2+1)^2-2ax^2
=2a[(x^2+1)^2-x^2]
=2a(x^2+1+x)(x^2+1-x)

x^2-ax-a-1 关于x不等式ax^2+ax+a 因式分解：x^3-ax^2-2ax+a^2-1 把a+ax+ax^2+x^2-1因式分解若A={x|ax^2-ax+1 关于x的不等式ax^2+ax+a-1 x^3+ax^2+ax+a-1因式分解谢谢了若集合A={x丨ax^2-ax+1 ax^2-a^2x-x+a怎样因式分解为（x-a）(ax-1), 2a(x+1)^2-2ax ax^2-(a+1)x+1 ax^2-(a-1)x+1 ax^2-(a-1)x+1 解不等式ax^2-x+1-a x²-2ax+a²-1 （a+1)/x+2ax+4 x^2-ax+1-4a -x^2+ax-1