Here's the question you clicked on:
xxdgffsdgdfgffgsg
How can I find the answer to this? What integer needs to be added to the expression to create a perfect square? x2 - 12x
x^2 - 12x + ? Take half of the b coefficient of (-12) and square it to get the term. 1/2 of (-12)= -6 (-6) times (-6) = ? @xxdgffsdgdfgffgsg