(2X^{2}-5X-1)+(3X^{2}-7X+3)+(-5X^{2}+X+1) =

## How do you add or subtract polynomials?

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# 1 Answer

Since each section is separated by a plus sign, all you need to do is line up your like terms and add their coefficients... 2x^2 - 5x - 1 3x^2 - 7x + 3 -5x^2 + x + 1 --------------- Combine: (2 + 3 - 5) = 0 Combine: (-5 -7 + 1) = -11 Combine: ( -1 + 3
+ 1) = 3 Final Answer: -11x + 3

## Comments

The X in the last part of the original equation has an imaginary 1 in front of it?

Thank you so much. I haven't done algebra in over 20 years, its hard.

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