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Mathematics 13 Online
OpenStudy (anonymous):

ADD. (1+9x+8x^2+4x^3)+(2-9x+8x^2-4x^3)

OpenStudy (anonymous):

3 because everything with a variable cancels out.

OpenStudy (anonymous):

Thats wrong

OpenStudy (anonymous):

3+18x^2

OpenStudy (anonymous):

sorry didn't see that

OpenStudy (anonymous):

8+8 is 16

jhonyy9 (jhonyy9):

3+16x*2

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