3 years ago

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

Mathematics

1 answer:

belka [17]3 years ago

7 0

This follows the rule: $(a + b)(a - b) = a^2 - b^2 \\ (5a + 2)(5a - 2) \\ (5a)^2 - 2^2 = 25a^2 - 4$

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