Find the equation of the normal to the curve y=x2−3xy=x^2-3xy=x2−3x at the point where x=2x=2x=2. Ay=x−4y=x-4y=x−4By=−x+4y=-x+4y=−x+4Cy=−xy=-xy=−xDy=xy=xy=xEy=−x−4y=-x-4y=−x−4