Respuesta :

wegnerkolmp2741o

Answer:

x^2+2x+1

Step-by-step explanation:

x^2 +2x

Take the coefficient of x

2

Divide by 2

2/2 =1

Square it

1^2 =1

That is the value of c to make it a perfect square trinomial

x^2+2x+1

(x+1)^2

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