Multiplying Polynomials

                    Lesson 1

                                                                                                                                                                          

                                                            Problem:                   Multiply: (2x+1) (x-2)

                                                            Step 1:                    Multiply (x-2) by 2x = 2x2 - 4x

                             

                     

                                                                                Solution                          Now Multiply (x-2) by 1 = x 2

Step 2:                        

 

                                                                                Solution                           2x2 - 4x + x - 2 = 2x2 - 3x 2

                           Step 3:           

             

                                                             Solution                    The answer is:  2x2 - 3x 2

 

 

                                                                 

                                                                                                                               

                                                             Try two practice problems:  

 

                                                                                               Multiply:

 

A.   (x+3)(x-8)

 

B. (4x-9)2

 

 

 

        

 

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