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OpenStudy (anonymous):
ADD. (1+9x+8x^2+4x^3)+(2-9x+8x^2-4x^3)
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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
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jhonyy9 (jhonyy9):
3+16x*2
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