Question

Salut! Rezolvati ecuatia $2^{x}+ 2^{x+3}= 36$ Coronita!

Answer 1

$2^x + 2^x * 2^3 = 36  Dam factor comun pe 2^x si => 2^x ( 1+ 2^3) = 36 2^x * 9 = 36 2^x = 36/9 2^x = 4 => x = 2$

Answer 2

$2 ^{x}$ ( 1 +$2^{3}$) = 36
$2 ^{x}$ * 9 = 36
$2^{x}$ = 4
$2^{x} = 2^{2}$ => x = 2