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1. Simplify.

=

2. Write in descending-exponent form, and give the degree.
x5 + 9x7 - 1

9x7 + x5 - 1, the degree is 7.

3. Find the value of the polynomial 6x - 1 when x = 3 and when x = -3.

when x = 3, it equals
6*3-1=17

when x = -3, it equals
6*(-3)-1= ...

Solution Summary

Simplifying and Factoring Expressions is investigated. The solution is detailed and well presented. The response was given a rating of "5/5" by the student who originally posted the question.

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