" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(x-2)²=0
x=2
b)
x²+2x=0
x(x+2)=0
x=0 lub x= -2
c)
x²+7x+12=0
Δ=49-48=1
√Δ=1