Предмет: Алгебра, автор: Аноним

преобразовать выражение в многочлен стандартного вида
(3+x)(x-3)-(3-x)^2

(2x-4)^2-(2x+3)^2 помогите пожалуйста

Ответы

Автор ответа: 11111Диана11111

3

x^2-9-9^2+3x+x^2

4x^2-8x+16-4x^2+6x+9^2=2x+16-9^2

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