How it works
On a separate sheet of paper, multiply the binomials you see on the screen.
Be sure to simplify your expression afterwards.
After doing so, enter this expression into the input box provided. (Enter “x^2” to show x2).
If you enter in a correct expression, you’ll see a big “CORRECT !!!” sign appear.
Generate new problems and work through them as many times as you need in order to master this concept!