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Mathematics 15 Online
OpenStudy (anonymous):

Add. (4x3 - x2 + 2x) + ( 3x3 + x2 + 4x)

OpenStudy (anonymous):

7x3+6x

OpenStudy (anonymous):

(4+3)x3+(-1+1)x2+(2+4)x=7x3+6x

OpenStudy (anonymous):

Thanks!

OpenStudy (anonymous):

just thanx//..??? no medal..?

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