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sehlkanoffigor
@sehlkanoffigor
July 2022
1
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81-х"=0 или 81 минус икс в квадрате равно 0
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ShirokovP
Verified answer
81 - x^2 = 0
- x^2 = - 81
x^2 = 81
x1 = - √81 = - √9^2 = - 9
x2 = √81 = √9^2 = 9
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sehlkanoffigor
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Answers & Comments
Verified answer
81 - x^2 = 0- x^2 = - 81
x^2 = 81
x1 = - √81 = - √9^2 = - 9
x2 = √81 = √9^2 = 9