<?xml version="1.0" encoding="UTF-8"?><oembed><type>video</type><version>1.0</version><html>&lt;iframe src=&quot;https://www.loom.com/embed/0b23b7d777b84b429b1fb7452536e73c&quot; frameborder=&quot;0&quot; width=&quot;960&quot; height=&quot;720&quot; webkitallowfullscreen mozallowfullscreen allowfullscreen&gt;&lt;/iframe&gt;</html><height>720</height><width>960</width><provider_name>Loom</provider_name><provider_url>https://www.loom.com</provider_url><thumbnail_height>720</thumbnail_height><thumbnail_width>960</thumbnail_width><thumbnail_url>https://cdn.loom.com/sessions/thumbnails/0b23b7d777b84b429b1fb7452536e73c-00001.jpg</thumbnail_url><duration>79</duration><title>SAT official #1_S3_Q5</title><description>p:  (x^2y -3y^2 + 5xy^2) - (-x^2y + 3xy^2 - 3y^2) Which of the following is equivalent to the expression above? 
a:  4x^2y^2 ;
 8xy^2 -6y^2 ;
2x^2y + 2xy^2 ;
 2x^2y + 8xy^2 - 6y^2  ;</description></oembed>