PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER

Answer:
Its D
Step-by-step explanation:
x = 1
x = -1
x= 0.0000 - 3.0000 i
x= 0.0000 + 3.0000 i
Reformatting the input :
Changes made to your input should not affect the solution:
(1): "x2" was replaced by "x^2". 4 more similar replacement(s).
Step by step solution :
Step 1 :
Equation at the end of step 1 :
((((((x6)-(2•(x5)))+(9•(x4)))-24x3)-x2)+18x)-9 = 0
Step 2 :
Equation at the end of step 2 :
(x6)-(2•(x5)+(32x4)-24x3)-x2)+18x)-9 = 0
Step 3 :
Equation at the end of step 3 :
(x6)-2x5)+32x4)-24x3)-x2)+18x)-9 = 0