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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