math
posted by tan .
Write a quadractic equation having given equations?
9,9i

math 
nerd45623
9i your welcome young solder

math 
Steve
if you mean the given roots, you are out of luck if you want real coefficients.
If you have a typo and meant 9+9i, then the other root is 99i, so the quadratic is
(x(9+9i))(x(99i))
= ((x9)+9i)((x9)9i)
= (x9)^2 + 9^2
= x^2  18x + 162
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