Răspuns :
[tex]\displaystyle\bf\\\sqrt{x-1}=6~|^2 \implies |x-1|=36 \implies x-1=\pm 36.\\1.~x-1=36 \implies x=37.\\2.~x-1=-36 \implies x=-35,~dar~pentru~x=-35,~-35-1<0 \implies \sqrt{x-1}~este~nedifinit.\\prin~urmare~:~\boxed{\bf x=37}~.[/tex]
Răspuns:
37
Explicație pas cu pas:
Salutare !
V(x - 1) = 6
x - 1 = 36
x = 36 + 1
x = 37
" V " inseamna radical
<<darius>>