In your notebook, set up the following subtraction in a vertical format and select the correct answer. find 2p 2 + 3p - 4 less - 2p 2 - 3p + 4.

  
        2p^2 + 3p - 4
-      -2p^2 - 3p + 4


Change the subtraction to an addition by changing the sign of every term of the second polynomial.
  
        2p^2 + 3p - 4
+      2p^2 + 3p - 4


Now add like terms.
  
        2p^2 + 3p - 4
+      2p^2 + 3p - 4

        4p^2 + 6p - 8