Question

Choose the correct sum of the polynomials (6x3 − 8x − 5) + (3x3 + 6x + 2). 9x3 − 2x − 3 3x3 + 2x + 3 3x3 − 2x − 3 9x3 + 14x + 3

Answer 1

9x-2x-3

Explanation:

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Answer 2

9x3 - 2x - 3.

Explanation:

(6x3 − 8x − 5) + (3x3 + 6x +2)

= 6x3 − 8x − 5 + 3x3 + 6x + 2

= 6x3 + 3x3 - 8x + 6x - 5 + 2

= 9x3 - 2x - 3.