document.write( "Question 1085503: x^(2)=-75 where x is a real number, solve with the quadratic formula \n" ); document.write( "

Algebra.Com's Answer #699579 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "There is NO real solutions.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Because the square of a real number is always POSITIVE (non-negative) number.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "But if you want to apply the quadratic formula, then first calculate the discriminant of the equivalent quadratic equation \r\n" );
document.write( "\r\n" );
document.write( "in standard form:\r\n" );
document.write( "\r\n" );
document.write( " = 0.      (  = 0 )\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The discriminant is equal to \r\n" );
document.write( "\r\n" );
document.write( "d =  =  = -300.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The disciminant is negative, which says that the equation HAS NO real solutions.\r\n" );
document.write( "

\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "On solving quadratic equations see the lessons\r
\n" ); document.write( "\n" ); document.write( "    - Introduction into Quadratic Equations\r
\n" ); document.write( "\n" ); document.write( "    - PROOF of quadratic formula by completing the square\r
\n" ); document.write( "\n" ); document.write( "    - HOW TO solve quadratic equation by completing the square - Learning by examples \r
\n" ); document.write( "\n" ); document.write( "    - Solving quadratic equations without quadratic formula\r
\n" ); document.write( "\n" ); document.write( "    - Who is who in quadratic equations\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this textbook under the topic \"Quadratic equations\". \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );