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Add and Subtract Polynomials?
(9x^6 + 8x^3 - 2x + 4) - (8x^6 + 2x^5 - 8x^4 - 7x^3 + 2x^2 - x -8)
(-4x^3 + 9x^2 - x + 9) + (4x^3 + 2x - 4)
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- 1 decade agoFavorite Answer
You can add and subtract like terms.
In the first one...
[9x(e6) - 8x(e6)] + [8x(e3) + 7x(e3)] {that is a plus because it is minus a negative}
...and so on until you have a new polynomial.
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