(8-9x)x=40+(36-9x^2) решите плиз

Question

(8-9x)x=40+(36-9x^2) решите плиз

Answer 1

8x - 9x^2 = 40 + 36 - 9x^2
8x = 76
x = 9,5
Ответ: 9,5.

Answer 2

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