Use the appropriate identity to rewrite the expression x^9 - 27 A) (x)^9-(3)^3
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B) (x^3)^3-(3)^3
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C) (x)^3-(3)^3
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D) (x^3)^2-27

Problem number 26 of the rhind papyrus says: find a quantity such that when it is added to of itself the result is a 15. the modern day equation that models this problem is x + x = 15. what is the solution to the equation? x = 10 x = 12 x = 15 x = 30