Question 996283
The dividend already has a separate distributed factor of 2.
<pre>

        _________________________
2b-1    |    4b^2     0*b    -3
        |
</pre>

<pre>
             2b
        _________________________
2b-1    |    4b^2     0*b    -3
        |    4b^2    -2b
        _________________
             0        2b
</pre>

<pre>
             2b        1
        _________________________
2b-1    |    4b^2     0*b    -3
        |    4b^2    -2b
        _________________
             0        2b.... -3
                      2b    -3
                      -----------
                      0       0

Quotient found,  {{{2b+1}}}.
</pre>

Your original factored expression is  {{{highlight_green(2(2b-1)(2b+1)/(2b-1))}}}.


Simplify or reduce, find  {{{2(2b+1)=highlight(4b+2)}}}.