Question

find the solution of the equation x^2-12x+117

I keep getting this damn thing wrong

Answer 1

http://www.geteasysolution.com/x%5E2+12x+117=0

Answer 2

The equation has no real roots. The curve does not touche or cross the x axis.
Refer to the attached plot.

Answer 3

but no solution is not part of the multiple choices...

Answer 4

As stated above, there are no real roots.
\[x=6\pm9i\]
are the complex roots.

Answer 5

alright, not sure how that you got to the solution.

Answer 6

x^2-12x+117
solution :

deta = b²-4ac
deta= (-12)²-4*1*117
deta= -324
= 18i

x= 12+-18i/2 = 6+9i or 6-9i

Answer 7

\[x^2-12 x+117 = 0\]
\[x^2-12 x = -117\]
\[x^2-12 x+36 = -81\]
\[(x-6)^2 = -81\]
\[x-6 = 9 i\;\;\text{or}\;\;\;x-6 = -9 i\]
\[x = 6+9 i\;\;\;\text{ or }\;\;\;\ x = -9 i+6\]
written another way...\(x= 6\pm9i\)

Answer 8

oh, okay, I think I'm getting a hang of it