Question 734596

{{{(2x-1)(7x+x^2)}}}....first multiply


{{{2x*7x+2x*x^2-1*7x-1*x^2}}}


{{{14x^2+2x^3-7x-x^2}}}


{{{2x^3+14x^2-x^2-7x}}}


{{{2x^3+13x^2-7x}}}