Question

Решить уравнение
$4^{x-3} +4^{x} =65$

Answer 1

$4^{x-3}+4^{x}=65\\\\4^{x-3}(1+4^{3})=65\\\\4^{x-3}*65=65\\\\4^{x-3}=1\\\\4^{x-3}=4^{o}\\\\x-3=0\\\\x=3\\\\Otvet:\boxed3}{$