Question

у=5^х-2
у=2^х
Помогите

Answer 1

$5^{x} - 2^{x} - 2 =0$
$2^{x}*2,5^{x}-2^{x}=2$
$2^{x}(2,5^{x}-1)=2$
$2,5^{x}=0$⇒нет решений