Предмет: Алгебра, автор: veroni4kwwx

виконайте множення 1) 2х(х²-6х+5)
2)(а+6)(в-7)
3)(5х+2)(4х-1)
4)(а-4)(а²+2а-3)
ДАЮ 20 БАЛОВ ЕЩЕ ПОЖАЛУЙСТА ПО ДІЯМ​

Ответы

Автор ответа: renatm664
1

Ответ:

1) 2x(x^2 - 6x + 5) = 2x^3 - 12x^2 + 10x

2) (a + 6)(b - 7) = ab - 7a + 6b - 42

3) (5x + 2)(4x - 1) = 20x^2 - 5x + 8x - 2 = 20x^2 + 3x - 2

4) (a - 4)(a^2 + 2a - 3) = a^3 + 2a^2 - 3a - 4a^2 - 8a + 12 = a^3 - 2a^2 - 11a + 12

Объяснение:

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