Question

(5-x)^2=1^2+x^2 Решить уравнение

Answer 1

$25 - 10x + x^{2} = 1 + x^{2}$
$10x = 24$
$x =2.4$

Answer 2

$5 ^{2} - 10x + x ^{2} = 1 + {x}^{2} \ 25 - 10x + {x}^{2} - 1 - {x}^{2} = 0 \ - 10x + 24 = 0 \ - 10x = - 24 \ 10x = 24 \ x = 2.4$