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Mathematics 18 Online
OpenStudy (anonymous):

Multiply: (8a + 5b) (8a - 5b). A. 16a^2 + 25b^2 B. 64a^2 - 25b^2 C. 16a^2 - 10ab + 25b^2 D. 64a^2 - 40ab + 25b^2

OpenStudy (hoblos):

(8a + 5b) (8a - 5b) = (8a)^2 - (5b)^2 =64a^2 - 25b^2 B

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