SOLUTION: Factor v^2 -25u^2

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Question 298446: Factor v^2 -25u^2
Answer by chibisan(131) About Me  (Show Source):
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Factor v^2 -25u^2

by using (a+b)(a-b)=a^2-b^2,
v^2 -25u^2
=(v-5u)(v+5u)