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OpenStudy (anonymous):
Solve x2 + 4x − 12 = 0.
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OpenStudy (saifoo.khan):
Do you know the methods to solve a quadratic equation/
OpenStudy (anonymous):
factor some stuff then idk lol
OpenStudy (saifoo.khan):
Lol, best way is to use the quadratic formula. Heard about it?
OpenStudy (anonymous):
yea i think so! lol
OpenStudy (anonymous):
is the answer x = -2 and x = -6? please thats what i got.
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OpenStudy (saifoo.khan):
-6 is correct.
OpenStudy (saifoo.khan):
the other one is wrong.
OpenStudy (nali):
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