Simplify 1/3 + 9 to 28/3
28/3 (8-3)
Simplify 8 - 3 to 5
28/3 <span>× 5
Simplify
140/3</span>
Answer:
After expanding the polynomial
we get 
Step-by-step explanation:
We need to expand the polynomial 
Multiply the terms:

So, after expanding the polynomial
we get 
72+72+144 and 144 minus 360 equals 216 so half of 216 is 10. so the top and bottom are 108 degrees.