Question

urgenttttttt va rogg.​

Answer 1

Răspuns:

$\bf\green{x=54}$

Explicație pas cu pas:

$x=\sqrt{3^6+3^7}\\x=\sqrt{(1+3)\times3^6}\\x=\sqrt{4\times3^6}\\x=2\times3^3\\x=2\times27\\\bf\green{x=54}$