Answer:
55°
Step-by-step explanation:
Answer:
The answer is explained in the image attached here
Answer:
-6x^2-288
Step-by-step explanation:
18x - 432 - 18x - 6x² +144
Combine like terms
-6x^2+18x-18x-432+144
-6x^2-288
The answer to this equations is 30.