A Point P Is Moving Along the X-Axis $x = t ^ { 3 } - 4 t ^ { 2 } + 3 t$

Short Answer

A point P is moving along the x-axis. At any time t, the location of P on the x-axis is described by $x = t ^ { 3 } - 4 t ^ { 2 } + 3 t$ . Determine the point's instantaneous velocity when t = 5.
Enter just an integer.