Seudónimo Seudónimo

16-05-2018
Mathematics

contestada

Which polynomial is a perfect square trinomial?

36x2 − 18x − 9
4a2 − 28a − 49
25b2 − 40b + 16
4x2 − 6x + 9

Respuesta :

Аноним Аноним

16-05-2018

25b^2 - 40b + 16 = (5b - 4)(5b - 4)

so its the third choice

Answer Link

yolandapierre2004 yolandapierre2004

09-06-2019

Answer:

25b2-40b + 16

Step-by-step explanation:

Hope It's Right !! Sorry if its really late

Answer Link

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