Mathematics
8 Online
OpenStudy (anonymous):
solve the equation 3x^2+x=-7
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OpenStudy (anonymous):
what does ^ mean
OpenStudy (anonymous):
dpalnc I WANT TO ANSWER!!
OpenStudy (anonymous):
DONT!!!
OpenStudy (anonymous):
Just need to know what ^ means
OpenStudy (anonymous):
get it in standard form: 3x^2 + x + 7 = 0
all yours.,..:)
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OpenStudy (anonymous):
idk how to do it at all
OpenStudy (anonymous):
omg what does ^ mean
OpenStudy (anonymous):
to the second power
OpenStudy (anonymous):
\[3x ^{2}+x+7\]
OpenStudy (anonymous):
like that
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OpenStudy (anonymous):
ok so 3 times 3 equals 9... 9x+x+7= 0
OpenStudy (anonymous):
you can't do it like that because it's over the x
OpenStudy (anonymous):
awe ok one sec I got this lol
OpenStudy (anonymous):
You getting it?
OpenStudy (anonymous):
Omfg no im going crazy lol its impossible!
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OpenStudy (anonymous):
@dpaInc help!
OpenStudy (anonymous):
what math is this?
OpenStudy (anonymous):
Use the quadratic formula because it is prime and can't be factorized so a=3, b=1 and c=7
OpenStudy (anonymous):
Yeah I was going to do that then i got lost
OpenStudy (anonymous):
You should get x = -1/6 +/- (83/6)i
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OpenStudy (anonymous):
\[x = -\frac{1}{6} \pm \frac{83}{6}i\]
OpenStudy (anonymous):
Would have never got that ^
OpenStudy (anonymous):
where?
OpenStudy (anonymous):
eri do you understand?
OpenStudy (anonymous):
Thank you so much!!!!!!
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OpenStudy (anonymous):
You're welcome!!!