title: i get an error "expression can't be used as a function "
body: <pre><code>#include &lt;iostream&gt;
  
  using namespace std; 
  int main()
  {
      float x;
      float y;
      cin &gt;&gt; x;
      y = (7*((x-3)^2)-6(x-4)+5) ;
      cout&lt;&lt;y;
  
      return 0;
  }
  </code></pre>
  
  <p>Why does this keep giving me error "expression can't be used as a function " ?</p>