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Автор - gztkrg

преобразуйте в многочлен (0,2+3х)²
помогите!!!!

Ответ

Автор - KanekiKenKZ

Ответ:

0,04+1,2x+9x²

Объяснение:

(a+b)²=a²+2ab+b² -квадрат суммы

(0,2+3x)²=0,04+1,2x+9x²

Ответ:0,04+1,2x+9x²

Ответ

Автор - Amigo3

Ответ:  (0,2+3х)²=0,04+1,2*х+9*х². Всё просто.

Объяснение:

Ответы и объяснения

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