Answer :
logx4 + logx9 = 2
0.6020599913x + 0.9542425094x = 2
1.556302501x = 2
1.556302501 1.556302501
x = 1.285097209
0.6020599913x + 0.9542425094x = 2
1.556302501x = 2
1.556302501 1.556302501
x = 1.285097209