Question

use the quadratic formula to solve the equation
x^2-5x=-9

Answer 1

my answer is \[x=1/2(5-i \sqrt{11}),1/2(5+i \sqrt{11})\]

Answer 2

x=2.5 and +-1.658312395i

Answer 3

then my answer is wrong?

Answer 4

Your answer is good. eau just computed 5/2+ i*sqrt(11)/2

Answer 5

my answer was in decimals because i used scientific calculator to solve that problem.

Answer 6

oh ok