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Mathematics 21 Online
OpenStudy (miihm):

respon

OpenStudy (anonymous):

3rd one

OpenStudy (mathstudent55):

(2x7 + 7x4 + 6) - (2x4 - x) = 2x^7 + 7x^4 + 6 - 2x^4 + x = 2x^7 + 7x^4 - 2x^4 + x + 6 = 2x^7 - 5x^4 + x + 6

OpenStudy (mathstudent55):

It's not C.

OpenStudy (miihm):

thank you

OpenStudy (mathstudent55):

wlcm

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