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Mathematics, 04.04.2020 20:45 Amrinderkhattra

Zhang Li solves the equation below by first squaring both sides of the equation. -4=\sqrt{5z+7}−4= 5z+7 minus, 4, equals, square root of, 5, z, plus, 7, end square root What extraneous solution does Zhang Li obtain?

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Zhang Li solves the equation below by first squaring both sides of the equation. -4=\sqrt{5z+7}−4= 5...
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