" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
a-1+a+a+1= 12
a = 4
akarnya x1 = a-1 = 3
x2 = a = 4
x3 = a+ 1 = 5
x1 x2 x3 = -d/a = - a
a = - (3)(4)(5)
a = - 60