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Mathematics 14 Online
OpenStudy (anonymous):

121X^2-36Y^2

OpenStudy (anonymous):

Difference in squares. So, you get: (11x-6y)(11x+6y)

OpenStudy (radar):

That is the difference of two perfect squares. a^2-b^2= (a+b)(a-b) Theres the pattern for the factors.

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