Question 980511
log x+1/2log(x+2)=2 
log(x) + (1/2)log(x+2) = log(100)
log(x*sqrt(x+2)) = log(100)
x*sqrt(x+2) = 100
x^2(x+2) = 10000
x^3 + 2x^2 - 10000 = 0
x =~ 20.89788434281322835  by graphing.