Question

Rezolvați in multimea nr reale ecuația 5la puterea 2x =25

Answer 1

5 la puterea 2x=25
x=25/25
x=1

Answer 2

$5^{2x}=25 \ \textless \ =\ \textgreater \ 5^{2x}=5^2 \ \textless \ =\ \textgreater \ 2x=2 |:2 =\ \textgreater \ x=1$