Which expression is a difference of squares? 32a^2-81n^2 9m^4-49n^6 100x^2-10y^4 16h^2-21t^10

asked May 22, 2019 159k views

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

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6 votes

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

The Otterlord answered May 28, 2019