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Which polynomial is a perfect square trinomal? A. 36x^2- 18x -9 B. 4a^2 -28a -49 C.25b^2 -40b + 16 D. 4x^2 -6x + 9
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Which polynomial is a perfect square trinomal?

A. 36x^2- 18x -9
B. 4a^2 -28a -49
C.25b^2 -40b + 16
D. 4x^2 -6x + 9

User Otakustay
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1 Answer

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25b^2-40b+16 is a perfect square.
User PEBKAC
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