document.write( "Question 590864: How do i factor the polynomial: 3x^2-31x+80 \n" ); document.write( "

Algebra.Com's Answer #375341 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+3x%5E2+-+31x+%2B+80+\"$
\n" ); document.write( "Use the quadratic formula
\n" ); document.write( " $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( " $\"+a+=+3+\"$
\n" ); document.write( " $\"+b+=+-31+\"$
\n" ); document.write( " $\"+c+=+80+\"$
\n" ); document.write( " $\"x+=+%28-%28-31%29+%2B-+sqrt%28+%28-31%29%5E2+-+4%2A3%2A80+%29%29+%2F+%282%2A3%29+\"$
\n" ); document.write( " $\"x+=+%28+31+%2B-+sqrt%28+961+-+960+%29%29+%2F+6+\"$
\n" ); document.write( " $\"x+=+%28+31+%2B-+sqrt%28+1+%29%29+%2F+6+\"$
\n" ); document.write( " $\"+x+=+%28+31+%2B+1+%29+%2F+6+\"$
\n" ); document.write( " $\"+x+=+32%2F6+\"$
\n" ); document.write( " $\"+x+=+16%2F3+\"$
\n" ); document.write( "and
\n" ); document.write( " $\"+x+=+%28+31+-+1+%29+%2F+6+\"$
\n" ); document.write( " $\"+x+=+30+%2F+6+\"$
\n" ); document.write( " $\"+x+=+5+\"$
\n" ); document.write( "-----------
\n" ); document.write( " $\"+x+-+16%2F3+=+0+\"$
\n" ); document.write( " $\"+3x+-+16+=+0+\"$
\n" ); document.write( " $\"+x+-+5+=+0+\"$
\n" ); document.write( " $\"+%28+3x+-+16+%29%2A%28+x+-+5+%29+=+3x%5E2+-+31x+%2B+80+\"$ \n" ); document.write( "

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