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 \sqrt{m} +3 \sqrt{m} -2=5\\\\m\geq 0 \\\\4\sqrt{m}=5+2 \\\\4\sqrt{m}=7\ \ ()^2\\\\16m=49\ \ / :16\\\\m=\frac{49}{16}=3\frac{1}{16}   
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can i ask another two examples like that procedure u did?? please...
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