Bethann76 Bethann76

31-05-2018
Mathematics

contestada

find the product (5a + 2) ( 5a - 2)

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Bladerunner1976 Bladerunner1976

31-05-2018

This follows the rule: [tex](a + b)(a - b) = a^2 - b^2 \\ (5a + 2)(5a - 2) \\ (5a)^2 - 2^2 = 25a^2 - 4[/tex]

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