Frequent Questions about our Solver

The problem

Click to see the original problem

i don,t fully understand lines 3 and 6

Answer provided by our tutors

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. 

In short, in Step 3 we pull 'x' in front of the brackets for the first two terms and '3' in front of the brackets for the second two terms:

x^2 + 2x + 3x + 6 = x(x + 2) + 3(x+2)

While in Step 6, we pull '(x+2') in front of the brackets:

x(x+2) + 3(x+2) = (x+2)(x + 3)

If you are not satisfied with the number of solution steps displayed (either too many steps or too few), click on the 'Options' button to adjust the number of steps to be shown. This may produce a solution that is long and somewhat confusing.

In your problem, if you select 'Show: a few steps' and 'Apply' you will get the following less confusing solution:

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