Math Help - Solve using log?

1. Solve using log?

How do I solve for: (x^3)(5^x)=200

I know the answer is 2 but how do I solve for it using logs or Ln?

2. Originally Posted by Cal
How do I solve for: (x^3)(5^x)=200

I know the answer is 2 but how do I solve for it using logs or Ln?