Sabri56710 Sabri56710

19-05-2017
Mathematics

contestada

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

Respuesta :

tazariah22 tazariah22

19-05-2017

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

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