1. To solve the problem shown in the figure attached, and factor the given equation, you must apply the following proccedure: 1.You have the following equation given in the problem: 5x^2-45. As you can see, it is a quadratic equation.
2. When you factor it, you obtain:
5(x^2-9)
5(x+3)(x-3)
3. Therefore, the answer is the optiones mentioned before.
