因式分解(x+1)(3x+q)(5x-1)(7x-1)+63x^4
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因式分解(x+1)(3x+q)(5x-1)(7x-1)+63x^4
![因式分解(x+1)(3x+q)(5x-1)(7x-1)+63x^4](/uploads/image/z/19824827-59-7.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%28x%2B1%29%283x%2Bq%29%285x-1%29%287x-1%29%2B63x%5E4)
(x+1)(3x+1)(5x-1)(7x-1)+64x^4 修改了两处,不知道是不是这样,否则不能分解
=(x+1)(5x-1)(3x+1)(7x-1)+64x^4
=(5x^2+4x-1)(21x^2+4x-1)+64x^4
=105 x^4+26x^2(4x-1)+(4x-1)^2+64x^4
=169x^4+26x^2(4x-1)+(4x-1)^2
=(13x^2+4x-1)^2
(x+1)(3x+1)(5x-1)(7x-1)+63x^4 修改了一处,不知道是不是这样,否则不能分解
=(x+1)(5x-1)(3x+1)(7x-1)+63x^4
=(5x^2+4x-1)(21x^2+4x-1)+63x^4
=105 x^4+26x^2(4x-1)+(4x-1)^2+63x^4
=168x^4+26x^2(4x-1)+(4x-1)^2
=(12x^2+4x-1)(14x^2+4x-1) 再答:![](http://img.wesiedu.com/upload/8/6d/86d2edbc5d78f9692614df2ee58e70a2.jpg)
=(x+1)(5x-1)(3x+1)(7x-1)+64x^4
=(5x^2+4x-1)(21x^2+4x-1)+64x^4
=105 x^4+26x^2(4x-1)+(4x-1)^2+64x^4
=169x^4+26x^2(4x-1)+(4x-1)^2
=(13x^2+4x-1)^2
(x+1)(3x+1)(5x-1)(7x-1)+63x^4 修改了一处,不知道是不是这样,否则不能分解
=(x+1)(5x-1)(3x+1)(7x-1)+63x^4
=(5x^2+4x-1)(21x^2+4x-1)+63x^4
=105 x^4+26x^2(4x-1)+(4x-1)^2+63x^4
=168x^4+26x^2(4x-1)+(4x-1)^2
=(12x^2+4x-1)(14x^2+4x-1) 再答:
![](http://img.wesiedu.com/upload/8/6d/86d2edbc5d78f9692614df2ee58e70a2.jpg)
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