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Таанняя
@Таанняя
July 2022
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при каких значениях переменной значения выражения x(x+2)и (x-4)(x+4) равны?
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dream7195
X(x+2)=(x-4)(x+4)
x^2 + 2x = x^2 - 16
x^2 - x^2 + 2x = -16
2x = -16
x = -8
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Answers & Comments
x^2 + 2x = x^2 - 16
x^2 - x^2 + 2x = -16
2x = -16
x = -8