Solve this quadratic equation by completing the square x^2+8x=10

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:

you answer is a

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i think c. but don't trust it.

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