rozłoz wielomian na czynniki :
x(do3)-x^+x-1
W(x)=x³-x²+x-1=x²(x-1)+x-1 = (x-1)(x²+1)
x³-x²+x-1=x²(x-1)+(x-1)=(x²+1)(x-1)
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W(x)=x³-x²+x-1=x²(x-1)+x-1 = (x-1)(x²+1)
x³-x²+x-1=x²(x-1)+(x-1)=(x²+1)(x-1)