zad.1Rozłóż wielomian W(x)=xkwadrat +3x+2 na czynniki liniowe.
zad.2Rozłóż wielomian W(x)=xdo szescianu -xkwadrat -4x+4 na czynniki liniowe.
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1.delta=9-8=1
x1=(-3-1)/2=-2
x2=(-3+1)/2=-1
W(x)=(x+2)(x+1)
2.
x^3-x^2-4x+4=x^2(x-1)-4(x-1)=(x-1)(x^2-4)-(x-1)(x-2)(x+2)
W(x)=(x-1)(x-2)(x+2)