Odpowiedzi

2009-03-31T18:58:13+02:00
W(x)=a(x+2)(x-1)(x-3)

W(0)=-6
a*2*(-1)*(-3)=-6
a=-1

W(x)=-(x+2)(x-1)(x-3)
W(x)=-x^3+2x^2+5x-6