Factor 9w^2-100p^2

Math
9w2-100p2
Rewrite 9w2 as (3w)2.
(3w)2-100p2
Rewrite 100p2 as (10p)2.
(3w)2-(10p)2
Since both terms are perfect squares, factor using the difference of squares formula, a2-b2=(a+b)(a-b) where a=3w and b=10p.
(3w+10p)(3w-(10p))
Multiply 10 by -1.
(3w+10p)(3w-10p)
Factor 9w^2-100p^2

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