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lenochka3777
@lenochka3777
November 2021
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помогите пожалуйста срочно надо
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yes22nn
X(x^2+4) + 2 = 7
x 7 или x^2+4+2x = 7
x^2-2x-3 = 0
дискриминант - 16 = 4
корень 1 = 2+4/2 = 3
корень 2 = 2-4/2 = -1
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Answers & Comments
x 7 или x^2+4+2x = 7
x^2-2x-3 = 0
дискриминант - 16 = 4
корень 1 = 2+4/2 = 3
корень 2 = 2-4/2 = -1