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OpenStudy (anonymous):
x²+10x+21
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OpenStudy (anonymous):
HI
OpenStudy (jdoe0001):
ok, thanks for sharing that
OpenStudy (acxbox22):
(x+7)(x+3)
OpenStudy (anonymous):
You can use the quadratic function a is 1 b is 10 c is 21 \[x=\frac{ -b \pm \sqrt{b ^{2}-4ac} }{ 2a }\]
OpenStudy (anonymous):
LOL!
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OpenStudy (anonymous):
formula not function sorry
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