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Mathematics 19 Online
OpenStudy (anonymous):

Factoring polynomials? 16k^2-1

jimthompson5910 (jim_thompson5910):

use the rule a^2 - b^2 = (a-b)(a+b) this is the difference of squares rule

jimthompson5910 (jim_thompson5910):

16k^2 is the same as (4k)^2 1 is the same as 1^2

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