zadanie 1
zadanie 2
zad2
x/2=8/x
x²/2x=16/2x
2x³=32x
2x³-32x=0
2x(x²-16)=0
2x=0
x²-16=0
x=4
x=-4
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zad2
x/2=8/x
x²/2x=16/2x
2x³=32x
2x³-32x=0
2x(x²-16)=0
2x=0
x²-16=0
x=4
x=-4