Question

(х+3)²-(х+5)(х-5)=46 решите уравнение

Answer 1

х^2 + 6x + 9 - (x^2 -5^2) = 46
x^2 + 6x + 9  - x^2 + 25 = 46
6x = 46 - 25 - 9
6x = 12
 x = 2

Answer 2

Спасибо