Question

How do you solve `10^(2x)+3=8`?

Answer 1

`10^(2x)+3=8`

`10^(2x)=5`

`2x * log(10) = log(5)`

`2x = log(5) / log(10)`

`x = (log(5) / log(10)) * 1/2`

`x = log(5) / (2 log(10))`

Explanation:

Remember that `log_b (x^r) = r log_b (x)`.