could someone help me with like terms?

Question

Perform the following additions and/or subtractions:

27k²−9k−21k+7

Answer 1

        Hi Jared...Simple addition...like terms

 

 

                        27k^2-9k-21k +7

 

                  =  27k^2 (-9k -21k)  +7

 

 

                    =27k^2  -30k  +7  ---->  Ansr

 

          

          Hope this helps!

 

                Oscar Ahumada

                    2/16/16