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 2 years ago
Which equation is a quadratic equation?
y = 2x(5 − x) + 7x
y = 8x + 2
y + x2 = (x − 2)(x + 8)
y − 7x = (x2 + 1)(x − 3)
 2 years ago
Which equation is a quadratic equation? y = 2x(5 − x) + 7x y = 8x + 2 y + x2 = (x − 2)(x + 8) y − 7x = (x2 + 1)(x − 3)

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