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дамика1
@дамика1
July 2022
2
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упростите выражение и найдите его значение х(х+2)(х-2)-(х-3)(х^2+3х+9) при х=1/2
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ShirokovP
Verified answer
x (x^2 - 4) - (x^3 - 27) =
= x^3 - 4x - x^3 + 27 =
= - 4x + 27
при x= 1/2
- 4*1/2 + 27 = - 2 + 27 = 25
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Student59
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Answers & Comments
Verified answer
x (x^2 - 4) - (x^3 - 27) == x^3 - 4x - x^3 + 27 =
= - 4x + 27
при x= 1/2
- 4*1/2 + 27 = - 2 + 27 = 25