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Mathematics 11 Online
OpenStudy (anonymous):

Simplify (x + 2)(x2– 4x – 9) Simplify (x + 2)(x2– 4x – 9) @Mathematics

hero (hero):

Why don't you just use wolfram alpha? It spits out answers faster than any single person can.

OpenStudy (hoblos):

x^3 -2x^2 -17x -18

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