By expanding the brackets show that a (x 5)(x 5) x2 25 b (2x 3)(2x 3) 4x2
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By expanding the brackets show that a (x 5)(x 5) x2 25 b (2x 3)(2x 3) 4x2 9 c (9x 7)(9x 7) 81x2 49 What do you notice about the above results? Show that This is known as the difference between two squares and is an important result.
Related Book For
Macroeconomics Principles And Policy
ISBN: 9780324586213
11th Edition
Authors: William J. Baumol, Alan S. Blinder
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