18-05-2015
Mathematics

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Square root of 7x plus the square root of 28x

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Panoyin Panoyin

19-05-2015

[tex]\sqrt{7x} + \sqrt{28x} \\\sqrt{7x} + \sqrt{4 * 7x} \\\sqrt{7x} + \sqrt{4}\sqrt{7x} \\\sqrt{7x} + 2\sqrt{7x} \\3\sqrt{7x}[/tex]

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