Question

What number would you add to the polynomial below to complete the square?
x^2-2x

Answer 1

2

Answer 2

I think...

Answer 3

1

Answer 4

1 or 2 ,Lawl.

Answer 5

(x + 1)^2 = x^2 + 1^2 + 2x

Answer 6

Oh now I see how you got that -_-

Answer 7

you just add the square of the half of the coefficient of the term with single x