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← What should we add - College Algebra

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Showing Revision 2 created 05/24/2016 by Udacity Robot.

  1. The number we need to add here is 1. Likely to be 4, we can get this by dividing
  2. the coefficient of the x to the first term by 2, and then squaring it. 2 over 2
  3. squared is just 1. So that's what we add on