Find the coordinate of the endpoint k, if l ( -2,-5) is the midpoint of kn and the coordinates of n are (6,7)

Need on this one asap im almost done with this subject

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

(05.03 mc) part a: explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of the equation 4x = 2x−2. (4 points) part b: make tables to find the solution to 4x = 2x−2. take the integer values of x between −3 and 3. (4 points) part c: how can you solve the equation 4x = 2x−2 graphically? (2 points)