Given a = 2010, B = 2012, find quarter a & # 178; - half AB + quarter B & # 178;

Given a = 2010, B = 2012, find quarter a & # 178; - half AB + quarter B & # 178;

Quarter a and 178; - half AB + quarter B and 178;
=Quarter (A & # 178; - 2Ab + B & # 178;)
=One quarter (a-b) & 178;
=Quarter (2010-2012) & 178;
=Quarter (- 2) & 178;
=Quarter * 4
=1