Odpowiedzi

2009-11-23T11:23:39+01:00
W(x)=-4x⁴-2x³+2x²
W(x)=-2x²(2x²-x-1)

(2x²-x-1)

(x+1)(2x-1)=2x²-1+2x-x=2x²+x-1
(x-1)(2x+1)=2x²-1-2x+x=2x²-x-1

C. -2x²(x-1)(2x+1)
2009-11-23T13:40:35+01:00