Rewrite f(x)=\displaystyle {f{{\left({x}\right)}}}= 15x328x217x25x+6\displaystyle \frac{{-{15}{x}^{{3}}-{28}{x}^{{2}}-{17}{x}-{2}}}{{{5}{x}+{6}}} in the form Quotient+RemainderDivisor\displaystyle \text{Quotient}+\frac{\text{Remainder}}{\text{Divisor}}.

f(x)=\displaystyle {f{{\left({x}\right)}}}=