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Which function has real zeros at x = 3 and x = 7? Of(x) = x2 + 4x - 21 Of(x) = x2 - 4x – 21 O f(x) = x2 – 10x + 21 Of(x) = x2 – 10x - 21
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Jan 10, 2021
Mathematics
middle-school
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