diva567 diva567

01-03-2021
Mathematics

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(b-3)squared expanded

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devishri1977 devishri1977

01-03-2021

Answer:

Step-by-step explanation:

(x - y)² = x² - 2xy + y²

x = b ; y = 3

(b - 3)² = b² - 2 *b * 3 + 3²

= b² - 6b + 9

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