Mathematics: Pick a two-digit number greater than 25. rewrite your two-digit number as a difference of two numbers. show how to use the identity (x − y)2 = x2 − 2xy + y2 to square your number without using a calculator.

Pick a two-digit number greater than 25. rewrite

Ответ:

bigmac34

07.06.2020

X = 26 ; y = 27
(x − y)2 = x² − 2xy + y²

(26 - 27)² = 26² - 2(26)(27) + 27²
(-1)² = 676 - 1404 + 729
1 = 1405 - 1404
1 = 1

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Ответ:

caggh345

01.12.2021

Mathematics

IDK!

Step-by-step explanation:

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Pick a two-digit number greater than 25. rewrite your two-digit number as a difference of two numbers. show how to use the identity (x − y)2 = x2 − 2xy + y2 to square your number without using a calculator.

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