Предмет: Алгебра, автор: сабри4

упростить выражения (x+3)*(x-3)-(x-4) в квадрате

Ответы

Автор ответа: ВладимирБ

(x+3)*(x-3)-(x-4)²=x²-9-x²+8x-16=8x-25

Автор ответа: сабри4

Спасибо

Автор ответа: krugly1981

( x + 3)(x - 3) - ( x - 4)^2 = x^2 - 9 - (x^2 - 8x + 16) = x^2 - 9 - x^2 + 8x - 16 =
= 8x - 25

Автор ответа: сабри4

спасибо

Автор ответа: krugly1981

пожалуйста,успехов вам!)))

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