Anyone explain this step pls
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Answer:
9 -6y +2 yy =:45
2yy - 6y = 36
yy-3y=18
YY -2 3/2.Y + 9/4 =18+9/4
( Y-3/2) ^2 = 81/4
Y- 3/2= +/-9/2
Y = 9/2-3/2 OR Y= -9/2-3/2
Y = 3 , -6 ANSWER
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