Предмет: Алгебра, автор: chanelka1

Помогите пожалуйста.
1. Упростите выражения:
а) (6х+4)(2-3х)
б) x² (х-3) (2+ x²)

Ответы

Автор ответа: utybe
0
а) (6х+4)(2-3х) = 12х - 18х² + 8 - 12х = 8 - 18х².
б) x² (х-3) (2+ x²) = х²(2х + х³ - 6 -3х²) = х² (х³ - х² - 6) = х⁵ - х⁴ - 6х².
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