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Mathematics 20 Online
OpenStudy (anonymous):

Does (7/10 x^3-1/10 x-1/2)-(-1/10 x^3+1/10 x-1/2)=(4 x^3)/5-x/5?

jimthompson5910 (jim_thompson5910):

Yes, this is correct. Good job. You can also write the answer as \[\large \frac{4}{5}x^3-\frac{1}{5}x\]

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