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Mathematics 18 Online
OpenStudy (anonymous):

Check all polynomials that are perfect square trinomials: Answer 16x2 - 8x + 1 4a2 - 20a + 25 25b2 - 5b + 10 49x2 - 8x + 16

OpenStudy (cwrw238):

first one = (4x -1)^2 second = (2a - 5)^2 last 2 are not perfect squares

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