Basically I completly forgotten how to do these stuff, first 3 is to do them and make them as simple as possible, the other two is just to solve the equations.

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- Aug 23rd 2007, 09:55 AMgreensnakeCollege/Highschool algebra
Basically I completly forgotten how to do these stuff, first 3 is to do them and make them as simple as possible, the other two is just to solve the equations.

- Aug 23rd 2007, 10:49 AMred_dog
1)

The common denominator is 18. So, amplify the first fraction by 3, the second by 2 and the third by 6.

2), 3)For the next two problems use the properties:

4)

, where

5) Factorize and then make a table with the sign of each factor, and then use the rule of signs.