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Zastosowanie wzoru na pierwiastki równania kwadratowego: ujemne współczynniki

Piotr rozwiązuje równanie -3x^2+10x-3=0 podstawiając a=-3, b=10, c=-3 do wzoru na pierwiastki równania kwadratowego. Następnie mnoży wszystko przez -1 i ponownie je rozwiązuje. Wyniki są takie same! Stworzone przez: Sal Khan i Monterey Institute for Technology and Education.

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