High School

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------------------------------------------------ Combine like terms and write the resulting polynomial in descending order:

\[ 2x^{7} + 5x^{6} + 9x^{7} \]

Answer :

The resulting polynomial in descending order is 11x7 + 5x6

To combine like terms and write the resulting polynomial in descending order, we need to first identify the like terms and then add or subtract their coefficients. Like terms are terms that have the same variable and the same exponent.

In this case, the like terms are 2x^(7) and 9x^(7).

We can combine these like terms by adding their coefficients:

2x^(7) + 9x^(7) = 11x^(7)

Now we have:

11x^(7) + 5x^(6)

Since the exponents are different, we cannot combine these terms.

Therefore, the resulting polynomial in descending order is 11x7 + 5x6

To know more about polynomial refer here:

https://brainly.com/question/11536910#

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