Answer:
A
Explanation:
the first thing you should do while completing the square should be moving your 'c' value to the other side of the equation!
do so by subtracting 8 on both sides,
your new equation should now look like x^2 -6x = -8
that is the first step of completing the square!
i hope this helps!!
you can totally bring your grade in math up!!
i believe in you!
stay safe!
:)