Question

did I get this right

Answer 1

What number must you add to complete the square

X^2+10x=9
10
20
5
25

Answer 2

25

Answer 3

correct

Answer 4

10/2 = 5
5^2 = 25

Answer 5

ok good I was making sure I actually understand it thanks agin

Answer 6

You're welcome.
Remember again, for this method to work, the coefficient of the x^2 term must be 1, which is what you had.