Предмет: Алгебра, автор: gcvthc

Решите пожалуйста примеры.

Приложения:

Ответы

Автор ответа: nedodinaulia19
0

Ответ:

5a^2-10ab+15a

6x-3x^2-7

a^2-2×a×3+3^2+b-3c=a^2-9a+9+b-3c (не уверенна в этом,но вроде так)

49x^2+14x-14x-4=14x-4 (14x и -14x взаимно уничтожили)

1^2+3b-3b-9b=1-9b ( 3bи -3b взаимо уничтожили)

20a-25a^2+16-25=20a-25a^2-9

a^4b^3^2-10a^4b^3+10a^4b^3-100=a^4b^3^2-100 (вроде так)

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