You can put this solution on YOUR website! (a-b)(a+b) [Use FOIL to multiply] [When multiplying the difference of two squares, the middle term cancels. The first and last terms are squared and the operation is subtraction (that is, difference)]
.
.
For example: = [The difference of two squares x and 5]
(x-5)(x+5) [No math involved, just plug-in the values that represent "a" and "b"]