分解因式2a²-8,a³b-ab³,4分之1x²-x+1,多项式-3a²+6a提出公因式3a后,另一个因式是,8x²y²-12xy²z的公因式是,2003²-2002×2003=,
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![分解因式2a²-8,a³b-ab³,4分之1x²-x+1,多项式-3a²+6a提出公因式3a后,另一个因式是,8x²y²-12xy²z的公因式是,2003²-2002×2003=,](/uploads/image/z/5130105-33-5.jpg?t=%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F2a%26%23178%3B-8%2Ca%26%23179%3Bb-ab%26%23179%3B%2C4%E5%88%86%E4%B9%8B1x%26%23178%3B-x%2B1%2C%E5%A4%9A%E9%A1%B9%E5%BC%8F-3a%26%23178%3B%EF%BC%8B6a%E6%8F%90%E5%87%BA%E5%85%AC%E5%9B%A0%E5%BC%8F3a%E5%90%8E%2C%E5%8F%A6%E4%B8%80%E4%B8%AA%E5%9B%A0%E5%BC%8F%E6%98%AF%2C8x%26%23178%3By%26%23178%3B-12xy%26%23178%3Bz%E7%9A%84%E5%85%AC%E5%9B%A0%E5%BC%8F%E6%98%AF%2C2003%26%23178%3B-2002%C3%972003%EF%BC%9D%2C)
分解因式2a²-8,a³b-ab³,4分之1x²-x+1,多项式-3a²+6a提出公因式3a后,另一个因式是,8x²y²-12xy²z的公因式是,2003²-2002×2003=,
分解因式2a²-8,a³b-ab³,4分之1x²-x+1,
多项式-3a²+6a提出公因式3a后,另一个因式是,8x²y²-12xy²z的公因式是,2003²-2002×2003=,
分解因式2a²-8,a³b-ab³,4分之1x²-x+1,多项式-3a²+6a提出公因式3a后,另一个因式是,8x²y²-12xy²z的公因式是,2003²-2002×2003=,
2a²-8
=2(a²-4)
=2(a+2)(a-2)
a³b-ab³
=ab(a²-b²)
=ab(a+b)(a-b)
(1/4)x²-x+1=(0.5x-1)²
-3a²+6a
=3a(-a+2)
=3a(2-a)
8x²y²-12xy²z=4xy²(2x-3z)
2003²-2002×2003
=2003×(2003-2002)
=2003×1
=2003
2-a
8x²y²-12xy²z=4xy²(2x-3z)
2003²-2002×2003=(2003-2002)×2003=2003