division fraction

(x-2) | x^7+ 0x^6+0x^5+0x^4+0x^3+0x^2+0x-128| x^6+2x^5+4x^4+8x^3+16x^2+32x+64

x^7-2x^6

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2x^6+0x^5+0x^4+0x^3+0x^2+0x-128

2x^6-4x^5

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4x^5+0x^4+0x^3+0x^2+0x-128

4x^5-8x^4

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8x^4+0x^3+0x^2+0x-128

8x^4-16x^3

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16 x^3+0x^2+0x-128

16x^3-32x^2

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32x^2+0x-128

32 x^2-64x

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64x-128

64x-128

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0