Final answer to the problem
$x=4$
Got another answer? Verify it here!
Step-by-step Solution
How should I solve this problem?
- Choose an option
- Solve for x
- Find the derivative using the definition
- Solve by quadratic formula (general formula)
- Simplify
- Find the integral
- Find the derivative
- Factor
- Factor by completing the square
- Find the roots
- Load more...
Can't find a method? Tell us so we can add it.
1
Express the numbers in the equation as logarithms of base $10$
Learn how to solve problems step by step online.
$\log \left(x\right)+\log \left(x+21\right)=\log \left(10^{2}\right)$
Learn how to solve problems step by step online. Solve the logarithmic equation log(x)+log(x+21)=2. Express the numbers in the equation as logarithms of base 10. The sum of two logarithms of the same base is equal to the logarithm of the product of the arguments. Use the following rule for logarithms: \log_b(b^k)=k. Multiplying polynomials x and x+21.
Final answer to the problem
$x=4$
