document.write( "Question 1068820: -5y(2y-2)+7y=9+2(6y-4) \n" ); document.write( "

Algebra.Com's Answer #684080 by Fombitz(32388) $\"\"$ $\"About$

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$\"-5y%282y-2%29%2B7y=9%2B2%286y-4%29\"$
\n" ); document.write( " $\"-10y%5E2%2B10y%2B7y=9%2B12y-8\"$
\n" ); document.write( " $\"-10y%5E2%2B5y-1=0\"$
\n" ); document.write( "Using the quadratic formula,
\n" ); document.write( " $\"y+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( " $\"y+=+%28-5+%2B-+sqrt%28+5%5E2-4%2A%28-10%29%2A%28-1%29+%29%29%2F%282%2A%28-10%29%29+\"$
\n" ); document.write( " $\"y+=+%28-5+%2B-+sqrt%28+25-40+%29%29%2F%28-20%29+\"$
\n" ); document.write( " $\"highlight%28y+=+%285+%2B-+sqrt%2815%29i%29%2F%2820%29%29+\"$ \n" ); document.write( "

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