document.write( "Question 578327: 7x(5-x)=14 \n" ); document.write( "

Algebra.Com's Answer #370622 by Tatiana_Stebko(1539) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"7x%285-x%29=14\"$ divide by 7
\n" ); document.write( " $\"x%285-x%29=2\"$ open the brackets
\n" ); document.write( " $\"5x-x%5E2=2\"$
\n" ); document.write( " $\"-x%5E2%2B5x-2=0\"$ multiply by -1
\n" ); document.write( " $\"x%5E2-5x%2B2=0\"$
\n" ); document.write( " $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( " $\"x+=+%28-%28-5%29+%2B-+sqrt%28+%28-5%29%5E2-4%2A1%2A2%29%29%2F%282%2A1%29+\"$
\n" ); document.write( " $\"x%5B1%5D=%285+%2B+sqrt%28+17%29%29%2F2+\"$
\n" ); document.write( " $\"x%5B2%5D=%285+-+sqrt%28+17%29%29%2F2+\"$ \n" ); document.write( "

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