Question

18. Solve for :
af log x + 2) + log x - 2) = log 5
​

Answer 1

Step-by-step explanation:

log (x+2) + log(x-2) = log 5

log(x+2)*(x-2) = log5

x^2-4 = 5

x^2 = 9

x = 3 , -3

Answer 2

Answer:

log (x+2)*(x-2)=log 5. log cancelled

x^2-4=5

x^2=5+4

x^2=9

x=3