Answer:

Step-by-step explanation:
<h3><u>Given expression:</u></h3>
![=6a^2-4b^2+4abc-9b^2-4a^2+8abc\\\\Combine \ like \ terms\\\\=6a^2-4a^2-4b^2-9b^2+8abc+4abc\\\\=2a^2-13b^2+12abc\\\\\rule[225]{225}{2}](https://tex.z-dn.net/?f=%3D6a%5E2-4b%5E2%2B4abc-9b%5E2-4a%5E2%2B8abc%5C%5C%5C%5CCombine%20%5C%20like%20%5C%20terms%5C%5C%5C%5C%3D6a%5E2-4a%5E2-4b%5E2-9b%5E2%2B8abc%2B4abc%5C%5C%5C%5C%3D2a%5E2-13b%5E2%2B12abc%5C%5C%5C%5C%5Crule%5B225%5D%7B225%7D%7B2%7D)
Transitive Property (for three segments or angles): If two segments (or angles) are each congruent to a third segment (or angle), then they're congruent to each other. The Transitive Property for three things is illustrated in the above figure. .the Transitive Property for four things is illustrated in the below figure.
Independent variable. It is also called abscissa.
Answer:
c
Step-by-step explanation: