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OpenStudy (anonymous):
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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OpenStudy (anonymous):
1
OpenStudy (anonymous):
yeah,,it A.
OpenStudy (anonymous):
thanks guys!!
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