SOLUTION: ln (xpowerof2 - 4) − ln (x-2) = 2

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: ln (xpowerof2 - 4) − ln (x-2) = 2      Log On


   

Question 980607: ln (xpowerof2 - 4) − ln (x-2) = 2
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
ln+%28%28x%5E2-4%29%29+-ln+%28%28x-2%29%29+=+2
ln+%28%28x%5E2-4%29%2F%28x-2%29%29+=+2.............since 2=ln%28e%5E2%29, we have
ln+%28%28%28x-2%29%28x%2B2%29%29%2F%28x-2%29%29+=+ln%28e%5E2%29
ln+%28%28cross%28%28x-2%29%29%28x%2B2%29%29%2Fcross%28%28x-2%29%29%29+=+ln%28e%5E2%29
ln+%28%28x%2B2%29%29+=+ln%28e%5E2%29...if log same, we have
x%2B2+=+e%5E2
x+=+e%5E2-2