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24-10-2018
Mathematics

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Subtract. (6x4−2x2+8x−2)−(−x4+2x3−2x2−1)

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wegnerkolmp2741o wegnerkolmp2741o

24-10-2018

distributing the negative sign

+ x^4 - 2x^3 +2x^2 -0x +1

6x^4 -0x^3 -2x^2 +8x -2

+ x^4 - 2x^3 +2x^2 -0x +1

-----------------------------------------------------

7x^4 -2x^3+0x^2 +8x-1

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