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Mathematics, 17.12.2020 22:00 mathbrain58

What is the value of \sqrt{63} Minus 4\sqrt{7}? A-7\sqrt{7} B--\sqrt{7} C-Negative 7\sqrt{7} D-Negative 4\sqrt{56}

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What is the value of Minus ? A- B- C-Negative D-Negative...
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