Marc solves the equation (Vx ) = 5. His work is shown below. Step 1: ( Vac) 3 = 5 Step 2: x4 = 5 3.4 Step 3: 2 4 3 = 53 Step 4: x = V5 . 5 . 5 . 5 Step 5: x = 53 5. 5. 5.5 Step 6: 1 = 53/5 1. Explain what Marc did in steps 4 and 5. (5 points) 2. Why did he do this? (5 points) 3. Create your own radical equation, at least a binomial, and explain how to solve it. (10 points) 4. Is there an extraneous solution to your equation? (5 points)