36 z square + 12 Z + 1
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36z^2+12z+1=0
36z^2+6z+6z+1=0
6z(6z+1)+1(6z+1)=0
(6z+1)(6z+1)=0
6z+1=0 or 6z+1=0
6z=-1 or 6z=-1
z=-1/6 or z=-1/6
therefore,its
z=-1/6
36z^2+6z+6z+1=0
6z(6z+1)+1(6z+1)=0
(6z+1)(6z+1)=0
6z+1=0 or 6z+1=0
6z=-1 or 6z=-1
z=-1/6 or z=-1/6
therefore,its
z=-1/6
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