Question 415381
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Hi
(2/3y - 1/2)(2/3y- 1/2)
 4/9y^2 +  ___     + 1/4   |that's straight forward enough using The FOIL method

  4/9y^2  -4/6y  + 1/4      | Note: {{{(1/2)(2/3) = 2/6}}}
OR
   4/9y^2 -2/3y  + 1/4