Lê Quốc Trần Anh Coordinator
15/11/2017 at 17:02-
\(5\sqrt{x}-30=2\sqrt{x}+54\)
\(\Rightarrow5\sqrt{x}-2\sqrt{x}=54+30=84\)
\(\Rightarrow3\sqrt{x}=84\Leftrightarrow\sqrt{x}=28\)
\(\Rightarrow x=28^2\Leftrightarrow x^2=614656\)
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