Answer:
2 real solutions
Step-by-step explanation:
x^2+18x+c-25-c=0
x^2+18x-25
D=18^2 - 4 x 1 x (-25)
D=424
D> 0 --> 2 real solutions
2, 4, 8, 16, 32
1
b= -2, b2 +6b +9
=-2(2)+6(-2)+9
=-4-12+9
=4+9-12
=13-12
=1
dodecagon
