Question

nam phan chin tru can bac hai cua 2x bang bon phan chin

 

Answer 1

\(\frac{5}{9}-\sqrt{2x}=\frac{4}{9}\)

\(\sqrt{2x}=\frac{5}{9}-\frac{4}{9}\)
\(\sqrt{2x}=\frac{1}{9}\)

\(\left(2x\right)^2=\frac{1}{9}\)

\(2x=\frac{1}{3}\)
\(x=\frac{1}{3}:2\)
\(x=\frac{1}{6}\)

Answer 2

\(\frac{5}{9}-\sqrt{2x}=\frac{4}{9}\)

\(\sqrt{2x}=\frac{5}{9}-\frac{4}{9}\)

\(\sqrt{2x}=\frac{1}{9}\)

\(\sqrt{2x}=\sqrt{\frac{1}{81}}\)

\(2x=\frac{1}{81}\)

\(x=\frac{1}{162}\)