Answer:
x^2+2x+5
since 4_20=-16<0
0
1
r=2.5
I hope this helps
Edit: If you need anymore help I can gladly help! :)
Step-by-step explanation:
3x - 6(2x + 4) = 3
3x - 12x + 24 = 3
-9x + 24 = 3
-9× = -21
x = 2.33
you didnt show the picture