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14-04-2021
Mathematics

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What is the sum of the polynomials? (7x ^3−4x ^2)+(2x ^3−4x ^2 )
A: 9x^3
B: 5x^3-8x^2
C: 5x^3
D:9x^3-8x^2

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14-04-2021

Answer is D: 9x^3-8x^2

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