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Which polynomial represents the sum below?

\[ 6x^7 + 9x^3 - x + 9 \]
\[ 2x^7 + 7x + 6 \]

A. \(8x^{14} + 7x^6 - 9x^3 - x + 10\)

B. \(8x^{14} + 7x^{12} - 9x^3 - x + 10\)

C. \(8x^7 + 7x + 9x^3 - x + 15\)

D. \(8x^7 + 7x^6 - 9x^3 + x - 15\)

Answer :

The sum of the polynomials is [tex]8x^7+7x+9x^3-x+15[/tex].

Option (C) is correct.

What is a polynomial?

A polynomial is a mathematical expression consisting of variables (also called unknowns or indeterminates) and coefficients, that involve only the operations of addition, subtraction, and multiplication, and does not involve division by a variable.

The given polynomials are

[tex]6x^7+9x^3-x+9\\\\2x^7+7x+6[/tex]

Now take addition of the above polynomials, we get

[tex]=(6x^7+9x^3-x+9)+(2x^7+7x+6)\\\\=8x^7+9x^3+7x-x+15[/tex]

Hence, the sum of the polynomials is [tex]8x^7+7x+9x^3-x+15[/tex].

To learn more about the polynomials, visit:

https://brainly.com/question/27864094

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