rozwiaz rownanie x do potegi 3-2x=0
x³-2x=0
x(x²-2)=0
x=0 lub x²-2=0
x=0 lub x²=2
x=0 lub x=√2 lub x=-√2
x^3 -2x=0
x(x^2 -2)=0
x=0 U x^2-2=0
x=±√2
odp:
x=0 U x=-√2 U x=√2
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x³-2x=0
x(x²-2)=0
x=0 lub x²-2=0
x=0 lub x²=2
x=0 lub x=√2 lub x=-√2
x^3 -2x=0
x(x^2 -2)=0
x=0 U x^2-2=0
x=±√2
odp:
x=0 U x=-√2 U x=√2