document.write( "Question 355697: please help me solve this equation $\"+8x%5E3-1=0+\"$ \n" ); document.write( "

Algebra.Com's Answer #253983 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!
Hi,
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\n" ); document.write( "Solving for the \"three\" solutions of this cubic equation
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\n" ); document.write( " $\"+x%5E3+-%281%2F8%29%5E3+=+0+\"$
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\n" ); document.write( " $\"+%28x-+1%2F2%29%2A%28x%5E2+%2B+%281%2F2%29x+%2B+1%2F4+%29=+0+\"$
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\n" ); document.write( " $\"%28x-+1%2F2%29=0\"$ x = (1/2)
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\n" ); document.write( " $\"%28x%5E2+%2B+%281%2F2%29x+%2B+1%2F4%29=+0+\"$
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\n" ); document.write( "solving using the quadratic equation results in 2 non-real numbers
\n" ); document.write( " $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
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\n" ); document.write( " $\"x+=+%28-.5+%2B-+i%2Asqrt%28+.75+%29%29%2F%282%29+\"$
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