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4 votes
Identify the trinomial that is not a perfect square.

25x^2 − 70x + 49
49x^2 − 28x + 4
36x^2 − 20x + 9
9x^2 − 12x + 4

User Skibulk
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1 Answer

4 votes
the answer is 36x^2 − 20x + 9

User Saustrup
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