Mathematics
Mathematics, 06.11.2019 04:31, 543670

Determine which polynomial is a perfect square trinomial.

25x2 − 40x − 16

9a2 − 20a − 25

25b2 − 15b + 9

16x2 − 56x + 49

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Determine which polynomial is a perfect square trinomial.

25x2 − 40x − 16

9a...

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