Question

Tính:

\(4\sqrt{x}-x=3\)

Answer 1

https://i.imgur.com/bMslNBW.jpg

Answer 2

√x-3=0

√x=3

x=9

TH2: 4-√x=0

√x=4

x=16

Answer 3

<=>\(\sqrt{x}\)(4\(-\sqrt{x}\))=3

<=>\(\)\(\sqrt{x}=3\) hoặc 4 \(-\sqrt{x}=3\)

<=>x = 9 hoặc \(-\sqrt{x}=-1\)

<=>x =9 hoặc x = 1