Activity 5: Make Me Complete! Solve for the roots by completing the square and check your answer. Write your answer on a separate sheet. 1. x2 + 4x = 96 3. p2 + 2x - 48 = 0 2. x2 + 4x - 45 = 0 4. 3x2 - 21x - 6 = 0 Questions: a. How did you find the solution of each equation? b. What mathematical concepts or principles did you use in finding the solution? Explain how did you use these?​