Question

5*2^(sqrt(x))-3*2^(sqrt(x)-1)=56

Answer 1

$5*2^{sqrt{x}}-3*2^{sqrt{x}-1}=56\2^{sqrt{x}}(10-3)=112\2^{sqrt{x}}=frac{112}{7}=16=2^4\sqrt{x}=4\x=16$