From 25e346070eed819f5d08864a3fe37b7a0189d0ba Mon Sep 17 00:00:00 2001
From: Matthew Kosarek <mattkae@protonmail.com>
Date: Thu, 22 Apr 2021 20:11:32 -0400
Subject: Realized ellipse interactions were not easy, going to try and at
 least finish rectangle and circles before end of month

---
 frontend/2d/_collisions/pill_pill.html | 1 +
 1 file changed, 1 insertion(+)

(limited to 'frontend/2d/_collisions/pill_pill.html')

diff --git a/frontend/2d/_collisions/pill_pill.html b/frontend/2d/_collisions/pill_pill.html
index 116d79a..812c10a 100644
--- a/frontend/2d/_collisions/pill_pill.html
+++ b/frontend/2d/_collisions/pill_pill.html
@@ -82,6 +82,7 @@
                     <h2>References</h2>
                     <ul>
                       <li><a href="https://www.analyzemath.com/EllipseProblems/ellipse_intersection.html">Intersection Basics</a></li>
+					  <li><a href="https://brilliant.org/wiki/factor-polynomials-ax4-bx2-c/">Reminder of factoring compound quadratics</a></li>
                     </ul>
                 </footer>
             </article>
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