求计算a的三次方b-2a²b²+ab三次方,4x²y²-4x²yz+x²z²还有a的三次方+9ab²-6a²b
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![求计算a的三次方b-2a²b²+ab三次方,4x²y²-4x²yz+x²z²还有a的三次方+9ab²-6a²b](/uploads/image/z/3151782-54-2.jpg?t=%E6%B1%82%E8%AE%A1%E7%AE%97a%E7%9A%84%E4%B8%89%E6%AC%A1%E6%96%B9b-2a%26%23178%3Bb%26%23178%3B%2Bab%E4%B8%89%E6%AC%A1%E6%96%B9%2C4x%26%23178%3By%26%23178%3B-4x%26%23178%3Byz%2Bx%26%23178%3Bz%26%23178%3B%E8%BF%98%E6%9C%89a%E7%9A%84%E4%B8%89%E6%AC%A1%E6%96%B9%2B9ab%26%23178%3B-6a%26%23178%3Bb)
求计算a的三次方b-2a²b²+ab三次方,4x²y²-4x²yz+x²z²还有a的三次方+9ab²-6a²b
求计算a的三次方b-2a²b²+ab三次方,4x²y²-4x²yz+x²z²
还有a的三次方+9ab²-6a²b
求计算a的三次方b-2a²b²+ab三次方,4x²y²-4x²yz+x²z²还有a的三次方+9ab²-6a²b
=ab(a²-2ab+b²)
=ab(a-b)²
=x²(4y²-4yz+z²)
=x²(2y-z)²
=a(a²-6ab+9)
=a(a-3)²
a³b-2a²b²+ab³
=ab(a²-2ab+b²)
=ab(a-b)²
4x²y²-4x²yz+x²z²
=x²(4y²-4yz+z²)
=x²(2y-z)²
a³+9ab²-6a²b
=a(a²+9b²-6ab)
=a(a-3b)²
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a³b-2a²b²+ab³
=ab(a²-2ab+b²)
=ab(a-b)²
4x²y²-4x²yz+x²z²
=x²(4y²-4yz+z²)
=x²(2y-z)²
a³+9ab²-6a²b
=a(a²-6ab+9b²)
=a(a-3b)²