因式分解a^3+3^a^2+3a+b^3+3b^2+3b+2因式分解:2、a^4-b^4+c^4-d^4-2(a^2c^2-b^2d^2)+4ac(b^2+d^2)-4bd(a^2+c^2)3、x^3+3xy+y^3-14、(x+y+Z)^3+(3x-2y-3Z)^3-(4x-y-2Z)^3
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![因式分解a^3+3^a^2+3a+b^3+3b^2+3b+2因式分解:2、a^4-b^4+c^4-d^4-2(a^2c^2-b^2d^2)+4ac(b^2+d^2)-4bd(a^2+c^2)3、x^3+3xy+y^3-14、(x+y+Z)^3+(3x-2y-3Z)^3-(4x-y-2Z)^3](/uploads/image/z/1739843-35-3.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3a%5E3%2B3%5Ea%5E2%2B3a%2Bb%5E3%2B3b%5E2%2B3b%2B2%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%EF%BC%9A2%E3%80%81a%5E4-b%5E4%2Bc%5E4-d%5E4-2%28a%5E2c%5E2-b%5E2d%5E2%29%2B4ac%28b%5E2%2Bd%5E2%29-4bd%28a%5E2%2Bc%5E2%293%E3%80%81x%5E3%2B3xy%2By%5E3-14%E3%80%81%28x%2By%2BZ%29%5E3%2B%283x-2y-3Z%29%5E3-%284x-y-2Z%29%5E3)
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