Question 1146984
<br>
{{{f(x) = a(x+3)(x+2)(x)}}}<br>
{{{f(-4) = a(-1)(-2)(-4) = -8a = 16}}}
{{{a = -2}}}<br>
ANSWER: {{{f(x) = -2(x+3)(x+2)(x)}}}<br>
Expand if required....<br>
A graph....<br>
{{{graph(400,400,-5,5,-20,20,-2(x+3)(x+2)(x))}}}<br>