Factor 64-25v^2

Math
64-25v2
Rewrite 64 as 82.
82-25v2
Rewrite 25v2 as (5v)2.
82-(5v)2
Since both terms are perfect squares, factor using the difference of squares formula, a2-b2=(a+b)(a-b) where a=8 and b=5v.
(8+5v)(8-(5v))
Multiply 5 by -1.
(8+5v)(8-5v)
Factor 64-25v^2

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