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Which of the following is not a perfect square trinomial?

1)144 + 12y + y^2
2)100 + 20y + y^2
3)64 − 16y + y^2
4)25 + 10y + y^2

i need help with this one, please...

1 Answer

4 votes
1.undefined or no factor
2.(y+10)^2
3.(y-8)^2
4.(y+5)^2
answered
User Username Tbd
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7.3k points
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