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Help please
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same process as last time, identify a b and c
a=3 b=4 c=2
awesome, now plug these into the quadratic formula
okay so it would be x=-4+-sqrt4^2-4(6)
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all over 6
good, now we simplify that
okay so it would be -2/3
your answer should be imaginary
-2-isqrt2
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over 3
|dw:1515013367125:dw|
\[-\frac{ 2-i \sqrt{2} }{ 3 }\]
almost, just move that negative sign up to the numerator (-2) and change the negative sign in front of i to a +/- sign
|dw:1515013497006:dw|
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since they want it in complex form notation we separate this into:
wait is it sqrt2 * i
yes (the i is not inside the square root) i * sqrt(2) or sqrt(2) * i is fine, multiplication is commutative
okay
|dw:1515013611559:dw|
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perfect, thanks !
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