Activity 3: Solve the following quadratic equations by completing the square roots, extracting square roots and by quadratic formula. Use separate sheet for your solutions. A. Extracting Square Roots 1.) x²-9=0 2.) 4x² - 16 = 0 B. Completing the Square 1.) 2x² + 10x + 8 =0 C. Quadratic Formula 1.) x² + 2x - 80 =0. need ko po ng answer ​