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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Home » Mathematics » 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?