To get the simplest form, we can use the distributive method:
[tex]\begin{gathered} (2x+1)(x^2-9x+11) \\ 2x\cdot x^2+2x\cdot(-9x)+2x\cdot11+1\cdot x^2+1\cdot(-9x)+1\cdot11 \\ 2x^3-18x^2+22x+x^2-9x+11 \\ 2x^3-17x^2+13x+11 \end{gathered}[/tex]This corresponds to alternative B.
