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deff fn [24]
4 years ago
11

Please answer correctly !!!!!!!! Will mark brainliest !!!!!!!!!!

Mathematics
1 answer:
IgorC [24]4 years ago
4 0

Answer:

x^2+6x+9

Step-by-step explanation:

x^2 +6x

Take the coefficient of x

6

Divide by 2

6/2 = 3

Square it

3^2 = 9

Add 9 to each side

x^2+6x+9

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