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OpenStudy (anonymous):
Which equation is a quadratic equation? −2.5 y + 2x = −2x(4 − 3x) + 4 6x3 + y = (2x − 2)(3x + 7) 9x − y = (3x2 + 1)(5x − 1) + 4x
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OpenStudy (lgbasallote):
the one with a degree 2 :D
OpenStudy (anonymous):
the ist equation there
OpenStudy (anonymous):
first
OpenStudy (anonymous):
try multiplying them, then whichever has a degree of 2 is the quadratic eq
OpenStudy (anonymous):
multiply add then simplify
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OpenStudy (cwrw238):
the one after -2.5 is quadratic
OpenStudy (anonymous):
yes the one after -2.5
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