Math 51A Elementary Algebra - First Half

Sample of what you should know before Math 51A:

 1. Factor:  

• • Solution
    Since the greatest common factor is , we have:

    

    

2. Solve:  

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3. Subtract:   

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4. Multiply, then combine like terms:    

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Sample of what you will learn in Math 51A:

 1. Solve:   

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     or  

      or  

2.  Factor completely:  

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3.  Add:  

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    Since the least common denominator is , we have

     = 

     =