B = (25²+25+1)²² - (22²² +25) (1+2$) (2£²+25) 2

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.6: Permutations
Problem 7E
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What was the math trick or concept utilized when the given squared terms at the numerator was simplified into below of the solution? Please elaborate.

2
B = (25²³+25+1)²² - (22² +2₁)²
(1+28) (26²+25)
B = (22² +22+1 +25² +2₁) (25²+25+1-25²-25)
(25² +25) (1+25)
B = (48² +48 +1)
(25² + 25) (1+25)
Transcribed Image Text:2 B = (25²³+25+1)²² - (22² +2₁)² (1+28) (26²+25) B = (22² +22+1 +25² +2₁) (25²+25+1-25²-25) (25² +25) (1+25) B = (48² +48 +1) (25² + 25) (1+25)
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