document.write( "Question 534886: solve please $\"x%5E3%2B3x%5E2-4x=0\"$ \n" ); document.write( "

Algebra.Com's Answer #351682 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+x%5E3%2B3x%5E2-4x=0+\"$
\n" ); document.write( " $\"+x%2A%28+x%5E2+%2B+3x+-+4+%29+=+0+\"$
\n" ); document.write( " $\"+x%2A%28+x+-+1+%29%2A%28+x+%2B+4+%29+=+0+\"$
\n" ); document.write( "the solutions are
\n" ); document.write( " $\"+x+=+0+\"$
\n" ); document.write( " $\"+x+=+1+\"$
\n" ); document.write( " $\"+x+=+-4+\"$
\n" ); document.write( "check:
\n" ); document.write( " $\"+x%5E3%2B3x%5E2-4x=0+\"$
\n" ); document.write( " $\"+%28-4%29%5E3+%2B+3%2A%28-4%29%5E2-4%2A%28-4%29+=+0+\"$
\n" ); document.write( " $\"+-64+%2B+48+%2B+16+=+0+\"$
\n" ); document.write( " $\"+-64+%2B+64+=+0+\"$
\n" ); document.write( "OK \n" ); document.write( "

\n" );