Respuesta :

Answer:

n completing method square the first we do is making the coefficient of  as one. so in order to make the coefficient as one we divide each term by 7 in given equation  

Since, 7 is the coefficient of  

Now, if we take 7 as common on left hand side of an equation   then it becomes .

Now, we can compare the equation  with  

Hence, we get the value of A=7.

Step-by-step explanation:

ACCESS MORE
EDU ACCESS
Universidad de Mexico