What is the sum of the polynomials? (–x2 + 9) + (–3x2 – 11x + 4) –4x2 – 2x + 4 –4x2 – 11x + 13 2x2 + 20x + 4 2x2 + 11x + 5
-4x^2 - 11x + 13 is the sum of the polynomials (–x^2 + 9) + (–3x^2 – 11x + 4). (–x^2 + 9) + (–3x^2 – 11x + 4) = -x^2 - 3x^2 + 9 + 4 - 11x = -4x^2 - 11x + 13
Question
Updated 2/1/2016 10:17:14 PM
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3
-4x^2 - 11x + 13 is the sum of the polynomials (–x^2 + 9) + (–3x^2 – 11x + 4).
(–x^2 + 9) + (–3x^2 – 11x + 4)
= -x^2 - 3x^2 + 9 + 4 - 11x
= -4x^2 - 11x + 13
Confirmed by Andrew. [2/2/2016 1:20:22 PM], Rated good by Andrew.

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