8 00:00:40,012 -&amp;amp;gt; 00:00:45,064 So as there is a + or - to separate them, it means that there are being multiplied 9 00:00:46,008 -&amp;amp;gt; 00:00:50,019 to translate this expression, there are many ways 10 00:00:50,046 -&amp;amp;gt; 00:00:54,007 To help in a comprehensive manner, work in social networks 11 00:00:54,044 -&amp;amp;gt; 00:00:58,050 directly with students, answering their questions 