Question

3 $3^{x2-4x-0,5}$= 81$sqrt{3}$

Answer 1

3^(x²-4x-0,5)=3^4,5
x²-4x-0,5=4,5
x²-4x-5=0
x1+x2=4 U x1*x2=-5
x1=-1 U x2=5