Posted by **Moe** on Thursday, January 28, 2010 at 9:24pm.

(I have two questions)

1. Solve for x without a calculator:

log3(x^2)=2log3(4)-4log3(5)

This is what I have so far:

2log3(x)=log3(4^2)-log3(5^4)

2log3(x)=log3(16/625)

...and now I'm stuck.

2. Simplify:

2log4(9)-2log3 <--how do you simplify with different bases?

Thanks!

## Answer This Question

## Related Questions

- Trigonometry - log3(x^2)=2log3(4)-4log3(5)
- Algebra - Solve the equation. 2log3 y = log3 4+ log3 (y+8) Here's what ive got ...
- Algebra 2 - Simplify: 1. 2log10^5+log10^4 2. 2log3^6-log3^4 3. log4^40-log4^5 4...
- Math - Express the following as a logarithm and simplify. 1. log(3x^2 + 11x - 20...
- Math - Express the following as a logarithm and simplify. 1. log(3x^2 + 11x - 20...
- Pre-calculus - Hi i need to find x in 9^(2x-6)=6^(8x-5) So what i did was: 3^(4x...
- math - Find the value of each of the following. Leave your answers as fractions ...
- Precalculus - Please help me with these questions ASAP!! Suppose that f(x)=log3...
- Math - Solve the logarithmic equation. Express your solutions in exact form only...
- ALGEBRA 1 - Lesson 3 Assignment .Explain the differences between solving these ...

More Related Questions