document.write( "Question 549859: Which equation is a quadratic equation?\r
\n" ); document.write( "\n" ); document.write( " 5x + y = −2(x + 5)\r
\n" ); document.write( "\n" ); document.write( " 3x3 − y = (3x − 2)(x + 5)\r
\n" ); document.write( "\n" ); document.write( " y + 7x = −3x(7 − 2x) + 11\r
\n" ); document.write( "\n" ); document.write( " y − 9 = (x2 + 1)(5x − 1) + 3 \n" ); document.write( "

Algebra.Com's Answer #358147 by unlockmath(1688) $\"\"$ $\"About$

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Hello,
\n" ); document.write( "This one:
\n" ); document.write( "y + 7x = −3x(7 − 2x) + 11
\n" ); document.write( "Make sense?
\n" ); document.write( "RJ
\n" ); document.write( "www.math-unlock.com \n" ); document.write( "

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