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22 September, 17:16

Which polynomial represents the sum below?

(-2x^3 + 4x^2 + 6) + (2x^2 + 6x + 3)

A. - x^6 + 6x^2 + 12x + 9

B. - 2x^3 + 6x^2 + 6x + 9

C. - 2x^5 + 10x^2 + 6x + 9

D. - 2x^3 + 6x + 9

... ?

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  1. 22 September, 17:59
    0
    Your answer should be B if you put all the common parts together you will find you can not simplify the equation any longer.
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