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OpenStudy (anonymous):
Adding polynomials. (3x^2 - 2y^4) + (7x^4 + 10z^9) I got: 10z^9 - 2y^4 + 7x^4 + 3x^2 Did I do that correct?
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OpenStudy (anonymous):
yes. You were correct to order them by the highest power exponent.
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