Algebra-2

Question Analysis
This problem assesses the student's ability to apply Descartes' Rule of Signs to determine the possible number of negative real roots by first finding the polynomial with the variables replaced by their negatives.

Key Concept Explanation
To find the number of negative real roots, replace each in the polynomial with and then count the number of sign changes in the resulting polynomial.

Step-by-step Solution
1. Replace with in :

Click "Show Answer" to reveal the answer and analysis