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| 1. |
4y^2+4y+1=0 |
| Answer» By using middle term factorization, we get 4y^2 + 2y + 2y +1 = 0 . Then 2y(2y +1) + 1 (2y +1 )=0. Then (2y+1)(2y+1)=0. Then y= -1/2 and y= -1/2. | |