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2 votes
Which expression is a difference of squares?

32a^2-81n^2
9m^4-49n^6
100x^2-10y^4
16h^2-21t^10

User Yaw Boakye
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8.9k points

1 Answer

6 votes
Am not sure but i think its 9m^4-49n^6 hope it helps :)



User The Otterlord
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