Question

xla a 2 - 8=17 cum se face??

Answer 1

17+8 = 25 iar 5 la a dua e 25 deci x =5

Answer 2

$x^{2} -8 = 17 \\ x^{2}=17+8 \\ x^2 = 25 \\ \boxed{x=5 } \\ \\ Verificare : \\ 5^2-8=17\\25-8=17 \ (A)$