25 February 2020 Sergiu Funieru The formula for a^2 – b^2 [the difference of squares] +1 The formula for a^2 – b^2 [the difference of squares] is: Have you seen this? +1
![The formula for a^2 - b^2 [the difference of squares]](https://lunlun.com/wp-content/uploads/2020/02/The-formula-for-a^2-b^2-the-difference-of-squares.png "The formula for a^2 - b^2 [the difference of squares]")