The problem
Click to see the original problem
How do you get from step 2 to step 3
Answer provided by our tutors
If you want to see more step by step solution, click on the Options button to adjust the number of steps to be shown.
By applying lot of steps you will get the following:
You can obtain an explanation for any step by clicking on it. Please note that you cannot click on the very first expression, which is the original problem.