Solve each equation, if possible. write irrational numbers in simplest radical form. describe the strategy you used to get your solution and tell why you chose that strategy. x^2+4=0 problem 1 hint: directions say if possible (so as you solve think about a step that you get to that prevents you from solving for the final answer). explain your thoughts. x^2+x-6=0 problem 2 hint: factor the equation and then solve to get 2 answers using the zero product property x^2-6x+7=0 problem 3 hint: factor using the completing the square method