Question

\(\sqrt{2x}-\sqrt{32x}+\sqrt{8x}\)giúp mình 

Answer 1

\(\sqrt{2x}-\sqrt{32x}+\sqrt{8x}\)

\(=\sqrt{2x}-\sqrt{4.8x}+\sqrt{8x}\)

\(=\sqrt{2x}-2\sqrt{8x}+\sqrt{8x}\)

\(=\sqrt{2x}-\sqrt{8x}\)

\(=\sqrt{2x}-\sqrt{2.4x}\)

\(=\sqrt{2x}-2\sqrt{2x}\)

\(=-\sqrt{2x}\)