[tex]x^{2} - 3xy + y^{2}[/tex] , x = -2, y = 3
(-2)² - 3*(-2)*3 + 3² = 4 + 18 + 9 = 31
Ответ: 31
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[tex]x^{2} - 3xy + y^{2}[/tex] , x = -2, y = 3
(-2)² - 3*(-2)*3 + 3² = 4 + 18 + 9 = 31
Ответ: 31