Question 146341

  log( m, n) = x
      n = m ^x 

 log(10, x^2 +64) = 2
      
        x^2 + 64 = 10^2
       x^2 + 64  = 100 

           x^2 = 100- 64 
            x^2 = 36 
             x = +6 or -6 .