document.write( "Question 1030050: X^2+5x+6=0 \n" ); document.write( "

Algebra.Com's Answer #644950 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
I can complete the square
\n" ); document.write( " $\"+x%5E2+%2B+5x+%2B+6+=+0+\"$
\n" ); document.write( " $\"+x%5E2+%2B+5x+%2B+%285%2F2%29%5E2+=+-6+%2B+%285%2F2%29%5E2+\"$
\n" ); document.write( " $\"+x%5E2+%2B+5x+%2B+25%2F4+=+-24%2F4+%2B+25%2F4+\"$
\n" ); document.write( " $\"+x%5E2+%2B+5x+%2B+25%2F4+=+1%2F4+\"$
\n" ); document.write( " $\"+%28+x+%2B+5%2F2+%29%5E2+=+%281%2F2%29%5E2+\"$
\n" ); document.write( " $\"+x+%2B+5%2F2+=+1%2F2+\"$
\n" ); document.write( " $\"+x+=+-5%2F2+%2B+1%2F2+\"$
\n" ); document.write( " $\"+x+=+-2+\"$
\n" ); document.write( "and, also:
\n" ); document.write( " $\"+x+%2B+5%2F2+=+-1%2F2+\"$
\n" ); document.write( " $\"+x+=+-5%2F2+-+1%2F2+\"$
\n" ); document.write( " $\"+x+=+-3+\"$
\n" ); document.write( "----------------------
\n" ); document.write( "check:
\n" ); document.write( " $\"+%28+x+%2B+2+%29%2A%28+x+%2B+3+%29+=+x%5E2+%2B+5x+%2B+6+\"$
\n" ); document.write( " $\"+x%5E2+%2B+5x+%2B+6+=+x%5E2+%2B+5x+%2B+6+\"$
\n" ); document.write( "OK
\n" ); document.write( "Here's the plot:\r
\n" ); document.write( "\n" ); document.write( " $\"+graph%28+400%2C+400%2C+-10%2C+2%2C+-2%2C+10%2C+x%5E2+%2B+5x+%2B+6+%29+\"$ \n" ); document.write( "

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