Разделить уголком 4x^4-12x^2+13x на x+2

4x^4  -  12x^2  + 13x |   x+2 4x^4 + 8x^3               4x^3 - 8x^2 + 4x + 5 - 8x^3 -  12x^2  + 13x - 8x^3  -  16x^2                4x^2  + 13x                4x^2  +  8 x                             5x                             5х+10                                   -10 4x^4-12x^2+13x : x+2  =  4x^3 - 8x^2 + 4x + 5 -  10/(x+2)