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Mathematics 16 Online
OpenStudy (anonymous):

Find the product of (2x + 5y)(2x - 5y). 4x2 - 20xy + 25y2 4x2 + 20xy + 25y2 4x2 + 25y2 4x2 - 25y2

OpenStudy (anonymous):

D. by inspection.

OpenStudy (anonymous):

thx that was fast

OpenStudy (anonymous):

\[4 x^2+10 x y-10 x y-25 y^2=2 x^2-25 y^2 \]

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