<PRE><B>Question 464704</B>
Evaluate the formula x=-b shorthand notation sign square b square -4ac divide by 2a for the given values of a,b, and c. Note that the symbol that looks like a plus sign with minus sign underneath is a shorthand notation to indicate that there are two solutions. One solution is obtained when the quantity after the shorthand notation sign/symbol is added, and another is obtained when subtracted. This formula can be used solve any equation of the form 
ax2 +bx+c=0. a=3, b=6, and c=1.

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x = [-b +- sqrt(b^2-4ac)]/(2a)
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x = [-6 +- sqrt(36-4*3*1)]/(2*3)
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x = [-6 +- sqrt(24)]/6
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x = [-6 +- 2sqrt(6)]/6
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x = -1+(1/3)sqrt(6) or -1-(1/3)sqrt(6)
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Cheers,
Stan H.
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