Автор - zakhart12345678

как решить:
x(в квадрате)+ x×4=96

Ответ

Автор - maxim9406
Д (дискриминант)= 16 + 4 (96) = 400
Х ( 1,2) = минус 4 плюс минус 20
              ----------------------------------      = + 8 ; - 12
                              2


Ответ : +8 и - 12 

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