Quadratic FUnction Help (1 Viewer)

[kaha167]

Q. For what values of k does the equation x^2 + kx + 3 - k = 0 have:
equal roots
How do i complete this when i am not given x or k values?
Do i solve using the discirminant?
Cheers.

 

[omgmynameislong]

b^2 - 4ac=0
k^2 - 4(3-k)=0
k^2+4k-12=0
(k+6)(k-2)=0

k=2,-6