document.write( "Question 520457: -2x=-2x²+24 \n" ); document.write( "

Algebra.Com's Answer #346072 by oberobic(2304) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+-2x+=+-2x%5E2+%2B24+\"$
\n" ); document.write( "add 2x^2 to both sides
\n" ); document.write( " $\"+2x%5E2+-2x+=+24+\"$
\n" ); document.write( "subtract 24 from both sides
\n" ); document.write( " $\"+2x%5E2+-2x+-24+=+0+\"$
\n" ); document.write( "divide by 2
\n" ); document.write( " $\"+x%5E2+-x+-12+=+0+\"$
\n" ); document.write( "factor
\n" ); document.write( " $\"+%28x%2B3%29%28x-4%29+=+0+\"$
\n" ); document.write( "check factoring with FOIL
\n" ); document.write( " $\"+x%5E2+-4x+%2B3x+-12+=+x%5E2+-x+-12+\"$
\n" ); document.write( "so
\n" ); document.write( "x = -3 or 4
\n" ); document.write( ".
\n" ); document.write( "Graph of x^2-x-12
\n" ); document.write( ".
\n" ); document.write( " $\"+graph%28500%2C500%2C-5%2C5%2C-15%2C15%2Cx%5E2-x-12%29+\"$ \n" ); document.write( "

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