Wyznacz miejsce zerowe funkcji:
f(x)=(x+1)²-4
f(x)=(x-1)³-27
f(x)=(x+3)³+8
4=(x+1)²
|x+1|=2
x+1=2 lub x+1=-2
x=1 lub x=-3
27=(x-1)³
x-1=3
x=4
-8=(x+3)³
-2=x+3
x=-5
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f(x)=(x+1)²-4
4=(x+1)²
|x+1|=2
x+1=2 lub x+1=-2
x=1 lub x=-3
f(x)=(x-1)³-27
27=(x-1)³
x-1=3
x=4
f(x)=(x+3)³+8
-8=(x+3)³
-2=x+3
x=-5