Question 1079860
<pre>(Adding parentheses)</pre>

{{{f(x)= (7x+7)/(2x^2+5x+3)}}}


{{{f(x)=(7x+7)/((2x+3)(x+1))}}}


f(x) is undefined for {{{x=-3/2}}} and for {{{x=-1}}}.
The values of x which are not in the domain of f are  {{{-3/2}}} and {{{-1}}}.