Предмет: Алгебра, автор: matusevicnasta870

1.Спростіть вираз: 1) (6a²-3a +11)-(−3a −a³ +7); 2) (14ab-9a²-3b²)-(-3a²+5ab-4b²); 3) (7xy2-15xy+3x²y)+(30xy-8x²y);​

Ответы

Автор ответа: gaponova1212
0

Ответ:

Ну вот приложение Photomath

Приложения:
Автор ответа: sniganadeynek1
0

Ответ:

Объяснение:

2. (14аb - 9a^2 - 3b^2) - (-3a^2 + 5ab - 4b^2) = 14аb - 9a^2 - 3b^2 + 3a^2 - 5ab + 4b^2 = -6a^2 + 9аb + b^2.

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