请问这是怎么化出来的?2q^6-q^3-1=0 →(q^3-1)(2q^3+1)=0 9n^2-9n+2→(3n-1)(3n+2) 究竟通过什么思路,怎样变形的?
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![请问这是怎么化出来的?2q^6-q^3-1=0 →(q^3-1)(2q^3+1)=0 9n^2-9n+2→(3n-1)(3n+2) 究竟通过什么思路,怎样变形的?](/uploads/image/z/10883502-54-2.jpg?t=%E8%AF%B7%E9%97%AE%E8%BF%99%E6%98%AF%E6%80%8E%E4%B9%88%E5%8C%96%E5%87%BA%E6%9D%A5%E7%9A%84%3F2q%5E6-q%5E3-1%3D0+%E2%86%92%28q%5E3-1%29%282q%5E3%2B1%29%3D0+9n%5E2-9n%2B2%E2%86%92%283n-1%29%283n%2B2%29+%E7%A9%B6%E7%AB%9F%E9%80%9A%E8%BF%87%E4%BB%80%E4%B9%88%E6%80%9D%E8%B7%AF%2C%E6%80%8E%E6%A0%B7%E5%8F%98%E5%BD%A2%E7%9A%84%3F)
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