Find the number that will make this a perfect square trinomial

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Kennesha asked Jul 18, 2023

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24 votes

Find the number that will make this a perfect square trinomial

Mathematics
college

Kennesha asked Jul 18, 2023

by Kennesha

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1 Answer

24 votes

x^2 + 6x + ?

Take the coefficient of x

Divide by 2

6/2 = 3

Square it

3^2 = 9

Add this to make it a perfect square trinomial

x^2+6x+9

(x+3)^2

Answer: add 9

SINGULARITY answered Jul 22, 2023

by SINGULARITY

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