Предмет: Алгебра, автор: m4likmali

(а-5)²-10(3-а) при а=5/3​

Ответы

Автор ответа: matematik1341
2

Объяснение:

(a-5)^2-10(3-a)=a^2-10a+25-30+10a=a^2+5=(5/3)^2+5=25/9+45/9=70/9=7*7/9

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