Complex roots occur when b^2 - 4ac is negative.
So we have (-6)^2 - 4.1.k < 0
-4k < - 36
k > 9
Answer:
600
Step-by-step explanation:
3 x 10 = 30
2 x 10 = 20
30 x 20 = 600
Answer is 60 U need to calculate carefully with brackets involving multiplication
