Can you continue?
A Polynomial P(x) of degree 4 has a zero of multiplicity two at x=-3, zeros at x=-1 and at x=2 and P(-2)=-3. Determine P(x).
How do I find the leading coefficient. So far I have
P(x)=a(x+3)^2(x+1)(x-2)
any help would be great, thanks.