nas8726

9x-3^x+2+14=0

(3^2)^x-3^x*3^2+14=0

(3^x)^2-3^x*9+14=0

t^2-t*9+14=0

t=7

t=2

x1=0.63

x2=1.77

x1=log3(2)

x2=log3(7)