√5x=2
(√5x)^2=2^2
5x=4
x=4/5
x=0,8
√x-1=3
(√x-1)^2=3^2
x-1=9
x=9+1
x=10
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√5x=2
(√5x)^2=2^2
5x=4
x=4/5
x=0,8
√x-1=3
(√x-1)^2=3^2
x-1=9
x=9+1
x=10