Question

tìm x biết :

a) \(5-\sqrt{x}=0\)

b) 

Answer 1

\(5-\sqrt{x}=0\)

\(-\sqrt{x}=-5\)

\(\sqrt{x}=5\)

\(\Rightarrow x=5^2\)

\(\Rightarrow x=25\)

vậy \(x=25\)

Answer 2

\(a,5-\sqrt{x}=0.\)

\(\Leftrightarrow\sqrt{x}=5\)

\(\Leftrightarrow x=25\)

Vậy x=25

Answer 3

a) \(5-\sqrt{x}=0\)

\(\sqrt{x}=5\)

\(x=25\)

vậy \(x=25\)