Question

решите уравнение ( x -4 ) ^2 = ( x-22) ^2

Answer 1

$( x-4 ) ^2 = ( x-22) ^2 Rightarrow x^2-8x+16 = x^2-44x+484 \ x^2-8x+16 - (x^2-44x+484) = 36x-468=0 Rightarrow x=13$

Answer 2

спасибо