foil method animated gif

Special Binomial Products

Difference of two squares and square of binomial

What about (a + b)(a - b)?

You can multiply the special binomials like any other binomials. However, you might notice that the middle term seems to "disappear".

difference of two square explained visually with algebra blocks

What about (a + b)(a + b)?

You can multiply the binomials like any other pair.

perfect square binimoals
Back to Foil Binomials