Expansion - Explanation with Area of Square (Question 7)

(1-5x)^2:


F.O.I.L method:
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  1. Ms Loh7/27/2011 07:07:00 AM

    Luke

    Your working to find the answer using the FOIL Method is very clear :)

    The lengths and areas of the various parts of the rectangle are also clearly illustrated. However, you have not shown how you use the areas of the various parts to find the answer to the question.

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