Предмет: Математика, автор: svetonosovazlata10

Не вычесляя корни x1 и x2 квадратного уравнения x²-5x+3=0,найдите 3x1+3x2-4x1x2

Ответы

Автор ответа: xalitov59

Ответ:

Пошаговое объяснение:

По теореме Виета х1+х2=-(-5)=5, х1*х2=3. Поэтому 3x1+3x2-4x1x2 = 3(x1+x2)-4x1x2=3*5-4*3=3

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