Question

2 la puterea x+3 plus
2 la puterea x =36

Answer 1

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

Mult succes!