Предмет: Алгебра, автор: askeletmen

Запишите сумму данных многочленов и упрости её
1) -6-а2 и а2+13
2)а2-b+c3 и -a2+b+c3
3)3x+14 и -x2-3x-18

Ответы

Автор ответа: p3112m
5

Ответ

1) 7

2) 2

3)-x^{2}-4

Объяснение:

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