smithalexis977 smithalexis977
  • 26-06-2017
  • Mathematics
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Evaluate √7x (√x - 7 √7) show work , please and thank you!!!

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jdoe0001 jdoe0001
  • 26-06-2017
[tex]\bf \sqrt{7x}(\sqrt{x}-7\sqrt{7})\implies \sqrt{7x\cdot x}-7\sqrt{7x\cdot 7}\implies \sqrt{7x^2}-7\sqrt{7^2x} \\\\\\ x\sqrt{7}-7\cdot 7\sqrt{x}\implies x\sqrt{7}-49\sqrt{x}[/tex]
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