x+8x+12= 0 a. Write the equation in vertex form by completing the square. b. What is the vertex, axis of symmetry, and what direction does it open? Explain what each of these parts of the graph are. c. Use your vertex form to solve the equation. What do the solutions represent? d. Use the quadratic formula to solve the given equation. How do your answers compare? e. Evaluate the two methods used to solve; which do you