Find the range of values of k if kx^2+8x>6-k for all real values of x
What does for all the real values of x mean?
The answer is k>8 and I can't seem to get it
this is my working by the way:
Kx^2 +8x+k-6 >0
a=k b=8 c=k-6
sub into b^2-4ac