Answer:
x^2+29x+210
I hope this helps! I did this through the FOIL method. :)
If P is the circumcenter of ABC then
PA = PB = PC
6x - 28 = 38
6x = 66
x = 11
answer
x = 11
m<D = 90 degrees
Answer:
a) (-2,2), (-1,-1), (1,-1), (3,7)
b) x=1.4
Answer:
I think -10 is the answer
