" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
D ≥ 0
D = b^ - 4ac
(-4m-4)^2 - 4.1.(5m + 5) = 16m^2 + 32m + 16 - 20m - 20
= 16m^2 + 12m - 4 ≥ 0
= 4m^2 + 3m - 1 ≥ 0
m = 1/4 m = -1
m ≤ -1 atau m ≥ 1/4