Question 1186964
<pre>
{{{"f(x)"}}}{{{""=""}}}{{{(x-(3-2i)^"")(x-(3+2i)^"")(x-(-1)^"")(x-(-1)^"")}}}

{{{"f(x)"}}}{{{""=""}}}{{{(x-3+2i^"")(x-3-2i^"")(x+1^"")(x+1^"")}}}

{{{"f(x)"}}}{{{""=""}}}{{{((x-3)+2i^"")((x-3)-2i^"")(x+1^"")(x+1^"")}}}

{{{"f(x)"}}}{{{""=""}}}{{{x^4 - 4 x^3 + 2 x^2 + 20 x + 13}}}

Edwin</pre>