Question

Sa se determine solutiile reale ale ecuatiei 2^x + 2^x+3 = 36

Answer 1

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