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OpenStudy (anonymous):
Which equation is a quadratic equation? • y + 7 = −3x(4 − x) + 9x • y = −2x + 5 • y + 2x3 = (2x − 2)(x + 5) • y − 9x = (x2 + 1)(5x − 1) + 3
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OpenStudy (anonymous):
Are you able to tell me what the quadratic equation is
OpenStudy (anonymous):
xpzrky, if you expand them out, the answer will jump right at you.
OpenStudy (anonymous):
the last one
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