solve 6x³+8+7x-8x²+3x²-9-8x++3x-x²+2x³

6x​3+ 8+ 7x- 8x2+ 3x2-9- 8x+ 3x- x2+ 2x3
8x3+ 8+ 7x- 8x2+ 3x-9- 8x+ 3x- x2
8x3- 6x2+ 8+ 7x- 9- 8x+ 3x
8x3- 6x+2x+ 8- 9
8x3- 6x2+ 2x- 1.    :)


 

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