Предмет: Алгебра, автор: g5wbgcysqn

(x-1)^2-(x-8)(x+8)
Кто ответит дам 50 баллов

Ответы

Автор ответа: mirageKZ
0

Ответ:

-2x+65

Объяснение:

(x-1)²-(x-8)(x+8)=x²-2x+1-x²+64 = -2x+65

Автор ответа: Radmir2022
0

Ответ:
-2х+65

Объяснение:

Разложим квадрат: (x-1)^2-(x-8)(x+8)
(x-1)(x-1)-(x-8)(x+8)

Раскроем скобки:
х(х-1) - 1(х-1) - (x-8)(x+8)
х^2 - x - x + 1 - (x - 8)(x+8)

x^2 - 2x+1 - (x-8)(x+8)
x^2 - 2x+1 - (х*x+8x-8x-64)

Раскрываем скобки:
x^2 - 2x+1 - х*x-8x+8x+64
x^2 - 2x+1 - х^2 + 64
-2x+1+64
-2x+65

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