Автор - letomoyoleto

(5x+3)^2-(5x-1)(5x+1)=28x+4

решите уравнение

Ответ

Автор - dronplay35

Объяснение:

25 {x}^{2}  + 30x + 9 - 25 {x}^{2}  + 1 = 28x + 4

-2x =  - 5

[tex]x = 2.5

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