A Plus B Squared

This example demonstrates how the expression can be interpretted geometrically. The square can be drawn and the sub-areas computed to come up with the result of a plus b squared.


  1. Expand initial expression. Geometrically this can be represented as a square with sides of length .

    a plus b squared
  2. Multiply and distribute values across. Geometrially, each term corresponds to the sub-area of the square.

    a plus b squared filled in
  3. Combine like terms.

  4. Result.