document.write( "Question 228585: Please help.\r
\n" ); document.write( "\n" ); document.write( "3z^2-4=-112\r
\n" ); document.write( "\n" ); document.write( "and \r
\n" ); document.write( "\n" ); document.write( "u^2-3u-10=0\r
\n" ); document.write( "\n" ); document.write( "I got 5, -2 for this one.
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Algebra.Com's Answer #169649 by rapaljer(4671)\"\" \"About 
You can put this solution on YOUR website!
You are correct about the second problem.\r
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\n" ); document.write( "\n" ); document.write( "For the first one, add +4 to each side:
\n" ); document.write( "3Z^2 =-108\r
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\n" ); document.write( "\n" ); document.write( "Divide both sides by 3:\r
\n" ); document.write( "\n" ); document.write( "z^2 = -36\r
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\n" ); document.write( "\n" ); document.write( "Are you allowed to use complex numbers?\r
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\n" ); document.write( "\n" ); document.write( "If NOT, then there are no real solutions. \r
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\n" ); document.write( "\n" ); document.write( "If SO, then \"z=+0%2B-sqrt%28-36%29+\"
\n" ); document.write( "\"z=0%2B-6i\"\r
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\n" ); document.write( "\n" ); document.write( "Dr. Robert J. Rapalje, Retired
\n" ); document.write( "Seminole State College
\n" ); document.write( "Altamonte Springs Campus
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