Question

What number must you add to the polynomial below to complete the square.
x^2-28x Would it be 196?

Answer 1

yes sir (b/2)^2

Answer 2

so 28/2=14
14^2=196

Answer 3

Thanks :P

Answer 4

No prob c:

Answer 5

So Negative or Postive? -196 or 196?

Answer 6

@Adri1580

Answer 7

Positive 196, as all squares are positive.

Answer 8

Ok thanks :D