The problem
Click to see the original problem
is there an easier way to solve the last 2 steps
Answer provided by our tutors
If you want more step by step solution, just click on the 'Options' tab and adjust the number of steps to be shown.
For example, if you select 'Show: a lot of steps' and 'Apply' you'll see the last two steps broken into 8 steps.
Basically, it is solved, by taking square root on both sides (this is same as saying both sides are exponentiated by 1/2):