Explanation of the square of Binomials?
Well, I am not sure if I can really help but based on what I have learned, this is the explanation:
it can also be written like this
And you can multiply them using your preferred method.
But because we are taught to do the shortcut way, it is explained to do it like this:
1.) Square the first term.
2.) Multiply the first term and the second term, double their product after..
3.) Square the second term.
4.) Connect you answers together.(don't forget their signs)
=x^2-4x+4(if I am not mistaken)