1)x³-x²+10 /x+2
x³+2x² x²-3x+6
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-3x²+10
-3x²-6x
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6x+10
6x+12
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-2
(x³-x²+10)/(x+2)=(x²-3x+6) -2/(x+2)
2x^4+3x³-6x²-4x+5 /2x+3
2x^4+3x³ x³-3x+2,5
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-6x²
-6x²-9x
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5x+5
5x+7,5
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-2,5
(2x^4+3x³-6x²-4x+5) /2x+3=(2x³-6x+5)/2 - 5/(4x+6)