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OpenStudy (anonymous):
Find the sum of the polynomials. (3x3 + 4x2 - 2x + 1) + (x4 - x3 + 5x2 + 2x + 3)
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OpenStudy (pfenn1):
Collect like terms.
OpenStudy (anonymous):
i did
OpenStudy (anonymous):
x4 + 2x3 + 9x2 + 4x + 4
OpenStudy (anonymous):
x4 + 2x3 + 9x2 - 4x + 4
OpenStudy (pfenn1):
\[x^4 + 2x^3 + 9x^2 + 4 \] I think the x term cancels, doesn't it?
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