document.write( "Question 864987: x^2-3x-28=0 \n" ); document.write( "

Algebra.Com's Answer #521433 by ben720(159) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"x%5E2-3x-28=0\"$
\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( "Plug in the values
\n" ); document.write( " $\"x+=+%283+%2B-+sqrt%28+-3%5E2-4%2A1%2A-28+%29%29%2F2+\"$
\n" ); document.write( "Multiply
\n" ); document.write( " $\"x+=+%283+%2B-+sqrt%289%2B112+%29%29%2F2+\"$
\n" ); document.write( "Add
\n" ); document.write( " $\"x+=+%283+%2B-+sqrt%28121%29%29%2F2+\"$
\n" ); document.write( "Split into 2 equations
\n" ); document.write( " $\"x+=+%283%2B11%29%2F2+\"$ OR $\"x+=+%283-11%29%2F2+\"$
\n" ); document.write( "Add
\n" ); document.write( " $\"x=14%2F2\"$ OR $\"x=-12%2F2\"$
\n" ); document.write( "Divide
\n" ); document.write( " $\"x=7\"$ OR $\"x=-6\"$
\n" ); document.write( "

7 or -6

\n" ); document.write( "

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