Simplify $2x-3+x+4x^2.$

Acceptable solution:

Simplify $2x-3+x+4x^2.$


\begin{displaymath}\begin{array}{cl} \par & 2x-3+x+4x^2\\ = & 4x^2 + 2x + x - 3\\ = & \fbox {4$x^2$\ + 3$x$\ - 3}\end{array}\end{displaymath}

Unacceptable solution:

Simplify $2x-3+x+4x^2.$


\begin{displaymath}\begin{array}{l} \par 2x-3+x+4x^2\\ 4x^2 + 2x + x - 3\\ \fbox {4$x^2$\ + 3$x$\ - 3}\end{array}\end{displaymath}