Предмет: Алгебра, автор: mynatkali

упростите выражение
(м+2)(м^2-м+2)

докажите тождество
2х(2-3х)(3х+2)=8х-18х^3

Ответы

Автор ответа: bajtokgulmira
0

Ответ:

(m+2)(m²-m+2)=m³+8

2х(2-3х)(3х+2)=2х(2-3х)(2+3х)=2х(4-9х²)=8х-18х³

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