a) W(x)=
b) W(x)=x^{3}-x^{2}-x+1
a) W(x)+ x³ + 3x²+x+3
x²(x+3) (x+3)=0
x²=0 lub x+3=0
x=0 lub x=-3
c) (x+1)³=27
(x+1)³-27=0
x+1=0 lub x-27=0
x=-1 lub x=27
b) nie wiem jak
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a) W(x)+ x³ + 3x²+x+3
x²(x+3) (x+3)=0
x²=0 lub x+3=0
x=0 lub x=-3
c) (x+1)³=27
(x+1)³-27=0
x+1=0 lub x-27=0
x=-1 lub x=27
b) nie wiem jak