Expansion - Explanation with Area of Square (Question 4)by Leighton Wang Hanrui

 Q: 4

F.O.I.L Method:

1 comment:

  1. Leighton

    The FOIL method working is correct :)

    The area of rectangle method:
    The sides of the various part of the rectangle are correctly labelled. As of the areas, check the one at the bottom right corner again.
    Also, you have not described how to use the different parts of the rectangle to find the answer to the question. Pls complete this part in the same post.