Which would be the best method to use to solve the following equations. Explain your reasoning. Use each method only once. Factoring, Square root property, Completing the square, and the Quadratic formula 1. x^2- 49 = 0 2. x^2 - 3x - 4 = 0 3. x^2 - 2x - 6 = 0 4. x^2 - 17x + 7 = 0 which method would you use for each and why,? ​