Respuesta :

Answer:

Step-by-step explanation:

Step1:use the trinomial method

X^2+7x+1x+7

x(x+7)+1(x+7)

(x+1)(x+7)=0

Step 2

Find value of x

x+1=0

x=-1

x+7

x=-7

Step 3

Write answer

X= (-1,-7 )

A is correct ✅

mourfious

Step-by-step explanation:

X will be - 1 or - 7

Hecne A is correct

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