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Algebra Quadratic Equations As this is the second degree polynomial the solution of this expression have two roots and may or may not be distinct. This is also not necessary that the roots will be real the roots can have complex value. The solutions of the maths quadratic equations are given where the equation becomes zero. These two solutions are named as “roots” and “zeros”.
You really can calculate work (and thus potential energy) from any force that you have a force function for. I made this one up entirely.
Note that at far right we then took our answer and took its derivative and got back to the original function. Practice doing this with a couple of polynomials. You'll be happy.