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OpenStudy (jenniferjuice):
Which polynomial is a perfect square trinomial? 49x2 − 28x + 16 4a2 − 20a + 25 25b2 − 20b − 16 16x2 − 24x − 9
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OpenStudy (akashdeepdeb):
B) because it can be written like: (2a-5)^2 By using the identity (a-b)^2 And all other options CANNOT! :)
OpenStudy (jenniferjuice):
omg thank you!!! :)))
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