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# Algebra - Practice Problems

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1. Find All numbers for which the rational expression is undefined ...
2. Simplify by removing factors of 1 ...
3. Multiply and simplify ...
4. Divide and simplify ...
5. Find LCM ...

[See attached file for equations.]

https://brainmass.com/math/basic-algebra/simplifying-rational-expressions-196371

#### Solution Preview

The solution file is attached.

1. Find all numbers for which the rational expression is undefined
2. Find all numbers for which the rational expression is undefined =
3. Simplify by removing factors of 1
4. Simplify by removing factors of 1
5. Simplify by removing factors of 1
6. Multiply and simplify
7. Multiply and simplify
8. Divide and simplify
9. Divide and simplify
10. Divide and simplify
11. Divide and simplify
12. Find the LCM of and

13. Find the LCM of and

14. Find the LCM

15. Find the LCM of and