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Algebra 18 Online
OpenStudy (anonymous):

select the difference (6x^2-3x^3)-(2x^2-9x^3)

OpenStudy (anonymous):

To find the difference, you'd subtract the terms, but keep track of the units: 6x^2-2x^2 and then -3x^3-(-9x^3). After that the math is easy.

OpenStudy (anonymous):

4x^2+6x^3

OpenStudy (anonymous):

Yup, that's right! :D

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