document.write( "Question 872005: solve using the quadratic formula $\"x%5E2-4x%2B40=0\"$ \n" ); document.write( "

Algebra.Com's Answer #525843 by ben720(159) $\"\"$ $\"About$

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$\"x%5E2-4x%2B40=0\"$
\n" ); document.write( " $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( " $\"x+=+%284+%2B-+sqrt%28+%28-4%29%5E2-4%2A1%2A40+%29%29%2F%282%2A1%29+\"$
\n" ); document.write( " $\"x+=+%284+%2B-+sqrt%28+16-160+%29%29%2F%282%29+\"$
\n" ); document.write( " $\"x+=+%284+%2B-+sqrt%28+-144+%29%29%2F%282%29+\"$
\n" ); document.write( "You cannot find the square root of a negative number.
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NO SOLUTIONS

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