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# Factoring difference of squares: two variables (example 2)

Sal factors 49x^2-49y^2 as (7x+7y)(7x-7y) or as 49(x+y)(x-y). Created by Sal Khan and Monterey Institute for Technology and Education.

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# Factoring difference of squares: two variables (example 2)

Current time: 0:00Total duration: 2:30

0 energy points

Sal factors 49x^2-49y^2 as (7x+7y)(7x-7y) or as 49(x+y)(x-y). Created by Sal Khan and Monterey Institute for Technology and Education.