Doprowadz do najprostrzej postaci 5(xkwadrat - 2)-(12-2xkwadrat)
5(x² - 2)-(12-2x²) = 5x² - 10 - 12 + 2x² = 7x² - 22
5x(kwadrat) - 10 - 12+ 2x(kwadrat) = 7x(kwadrat) -22
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5(x² - 2)-(12-2x²) = 5x² - 10 - 12 + 2x² = 7x² - 22
5x(kwadrat) - 10 - 12+ 2x(kwadrat) = 7x(kwadrat) -22