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MATH 110

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					                                                   HANDOUT #4
                                                    Chapter 5

                                                                                                            1
                                                                                          3x 2 y  2 z 
1. Simplify as much as possible, and don’t leave any negative exponents in final answer.   2 4 
                                                                                          2 x yz 
                                                                                                       




2. Multiply and combine like terms if possible. (x + 3)( x 2  4 x  10)




3. Perform the indicated operation and simplify. ( x 2  1) 2




4.   Factor by grouping: 3x 2  3x  9 x  9 .




5. Factor the following expression completely: x 2 ( x  5)  9( x  5)
6. Factor the following completely: y 3  6 y 2  4 y  24




7. Solve the following equations:
       A. x 3  4 x 2  21x  0




       B. 45  4 y  y 2




       C. 8n 3  3n  10n 2




       D. 3x 2  12 = 0




       E. 4 x 2  4 x  1 = 0

				
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