Question 987508
L length
w width
Description: {{{L=2w+3}}}
{{{wL=77}}}, the area.


{{{w(2w+3)=77}}}
{{{2w^2+3w=77}}}
{{{2w^2+3w-77=0}}}


You have the right equation.  Either solve by factoring or by direct use of the formula for solution of a quadratic equation.  Maybe you need just to look at all the combinations for decomposing into factors!

<pre>
(2x  7)(x  11)
or
(2x  11)(x  7)
</pre>

Which will give you what you want?