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26-02-2020
Mathematics

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what is the coeffecient of the second term of the trinomial?
(4a+5)^2 = 16a^2+Ba+25
B=____

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goddessboi goddessboi

26-02-2020

Answer:

B=40

Step-by-step explanation:

(4a+5)^2

(4a+5)(4a+5)

(4a)(4a)+(4a)(5)+(5)(4a)+(5)(5)

16a^2+20a+20a+25

16a^2+40a+25

So the coefficient of the second term of the trinomial is 40.

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