Use the concept of area to demonstrate geometrically each of the following properties for real numbers: (a) a(b + c) = ab + ac (b) a(b - c) = ab - ac, where b > c (c) (a + b)(a - b) = a^2 - b^2, for a > b
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Draw rectangles with sides of lengths a, b + c, etc. and compare their areas.
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