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30-08-2019
Mathematics

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Which expression can be used to find the sum of the polynomials? (9-3x^2)+(-8x^2+4x+5)

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31-08-2019

it equal 9-3x^2-8x^2+4x+5 = (-3-8)x^2+4x+(5+9) = -11x^2+4x+14

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