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OpenStudy (anonymous):
solve by completing the square. 4x^2+4x+3=0
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OpenStudy (anonymous):
4x^2+4x+3=0
you'll get
a = 4
b = 4
c = 3
subsitute all of them (a, b, and c) to quadratic equations
OpenStudy (anonymous):
yes do that lolz
OpenStudy (anonymous):
\[x = \frac{ -b \pm \sqrt{b^2 -4ac} }{ 2a } \]
OpenStudy (anonymous):
what else can do
OpenStudy (anonymous):
Check your equations
Is your equations
4x^2-4x+3=0
4x^2+4x-3=0
or
4x^2-4x-3=0
????
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OpenStudy (anonymous):
4x^2+4x+3=0
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
\[x = \frac{ -b \pm \sqrt{b^2 - 4*a*c} }{ 2a } = \frac{ -4 \pm \sqrt{4^2 - 4*4*3} }{ 2*4 } = \frac{ -4 \pm \sqrt{-32} }{ 8 }\]
OpenStudy (anonymous):
please help. solve by completing the square 4x^2+4x+3=0
OpenStudy (anonymous):
\[x = \frac{ -4 \pm \sqrt{-1}*\sqrt{32} }{ 8} = \frac{ -4 \pm i*\sqrt{32} }{ 8 } = \frac{ -4 \pm 4\sqrt{2}*i }{ 8 }\]
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OpenStudy (anonymous):
so you will get
\[x = \frac{ -4 + 4\sqrt{2}*i }{ 8 } =\frac{ -1 + \sqrt{2}*i }{ 2 } = -\frac{ 1 }{ 2 } + \frac{ 1 }{ 2 } \sqrt{2} *i\]
OpenStudy (anonymous):
and
OpenStudy (anonymous):
\[x = \frac{ -4 - 4\sqrt{2} *i}{ 8 } = \frac{ -1 - \sqrt{2}*i }{ 2} = -\frac{ 1 }{ 2 } - \frac{ 1 }{ 2 } \sqrt{2}*i\]
OpenStudy (anonymous):
i did it for the lulz
i did it for the lulz
i did it for the lul
OpenStudy (anonymous):
get it @eogbonna ??
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OpenStudy (anonymous):
help with solve by completing the square 4x^2+4x+3=0
OpenStudy (anonymous):
help ,i am running out of time
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