Question 898307
Simplify (x+3)^2-(2x-1)^2
<pre>
{{{(x + 3)^2 - (2x - 1)^2}}}
[{{{(x + 3) - (2x - 1)}}}][{{{(x + 3) + (2x - 1)}}}]
{{{(x + 3 - 2x + 1)(x + 3 + 2x - 1)}}}
{{{(- x + 4)(3x + 2)}}}
{{{- 3x^2 - 2x + 12x + 8}}}
{{{highlight_green(- 3x^2 + 10x + 8)}}}