pomóżcie: 20 * x * 2x = 1600
20*x*2x=1600
20x*2x=1600
40x^2=1600 | :40
x^2= 40
x= pierwiastek 40
x= 2pierwiastki z 10
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20*x*2x=1600
20x*2x=1600
40x^2=1600 | :40
x^2= 40
x= pierwiastek 40
x= 2pierwiastki z 10