Answer:
-6 and 6
Step-by-step explanation:
Because one is a positive and one is negative, they cancel each other out equaling 0.
1)
=(x-5)²
2)
3)
= (1+x)²
That is the answer
Hope this helps!
176.7cm^2
Area of circle = π ×r^2
π×15^2
and then divide by 4 because it's one quarter of a circle