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Mathematics 14 Online
OpenStudy (jenniferjuice):

Check all polynomials that are perfect square trinomials: 49x2 − 8x + 16 4a^2 − 20a + 25 25b^2 − 5b + 10 16x^2 − 8x + 1

OpenStudy (anonymous):

only d looks right

OpenStudy (anonymous):

and b also :(

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