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Algebra 15 Online
OpenStudy (anonymous):

What is the sum or differnce? 2X^4 - 8X^4

OpenStudy (gorv):

-6X^4

OpenStudy (anonymous):

you can add or subtract polynomials when everything is the same but the numbers before it

OpenStudy (anonymous):

so really, that's asking x^4(2-8) so gorv is right -6x^4

OpenStudy (gorv):

polynomial should be same...coefficient could be any thing

OpenStudy (gorv):

@Josh55

OpenStudy (gorv):

your ans is correct one side is common one is equal given one angle is equal

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