1.0 link Rainbow Dash Network http://rainbowdash.net/ Narwhal (narwhal) http://rainbowdash.net/narwhal http://rainbowdash.net/notice/3826930 @<span class="vcard"><a href="http://rainbowdash.net/user/35005" class="url" title="Jose Ovalle"><span class="fn nickname mention">godsregret</span></a></span> (x²-3x+1)-(x²+2x+7)<br />=x²-3x+1-x²-2x-7 (bring -1 into second bracket)<br />=x²-x²-3x-2x+1-7 (reorganize like terms for simplicity)<br />=-5x-6 (final answer)