Algebra.Com's Answer #167351 by nerdybill(7384)![\"\"](\"/images/stars/stars-13.gif\")  
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document.write( "First, determine whether there is anything common among all three terms -- yes, they all have the common multiple of 2. Therefore, divide both sides by 2 to get:
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document.write( "Since we can't factor, we must resort to the quadratic equation.
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document.write( "Doing so yields:
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document.write( "x = {-0.293, -1.707}
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document.write( "Details of the quadratic equation to follow:
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document.write( " | Solved by pluggable solver: SOLVE quadratic equation with variable | \n" );
document.write( "Quadratic equation  (in our case  ) has the following solutons:
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document.write( " For these solutions to exist, the discriminant  should not be a negative number.
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document.write( " First, we need to compute the discriminant :  .
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document.write( " Discriminant d=8 is greater than zero. That means that there are two solutions:  .
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document.write( " Quadratic expression  can be factored:
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document.write( " Again, the answer is: -0.292893218813452, -1.70710678118655.\n" );
document.write( "Here's your graph:
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