The teacher will be very surprised to see your correct solution 😉
/ 2\ log(4*x + 3) = log\x /
___ x1 = 2 - \/ 7
___ x2 = 2 + \/ 7
sum
___ ___ 0 + 2 - \/ 7 + 2 + \/ 7
=
4
product
/ ___\ / ___\ 1*\2 - \/ 7 /*\2 + \/ 7 /
-3
x1 = -0.645751311064591
x2 = 4.64575131106459