" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
4x²-20x+24≤0 /:4
x²-5x+6≤0
x²-2x-3x+6≤0
x(x-2)-3(x-2)≤0
(x-2)(x-3)≤0
m.z. x=2, x=3.
_____2_____3______>x
+ + 0 _ _ 0 + +
Odp. x∈<2,3>