document.write( "Question 739760: I don't know how to solve this. b^2-5=-8 What is the square root if it can't be negative? \n" ); document.write( "
Algebra.Com's Answer #451311 by Edwin McCravy(20086) You can put this solution on YOUR website! \r\n" ); document.write( "It's imaginary! Have you studied imaginary numbers?\r\n" ); document.write( "If you haven't, you should say this \"has no REAL solutions\".\r\n" ); document.write( "But if you have studied imaginary (NON-REAL) numbers,\r\n" ); document.write( "you should do this:\r\n" ); document.write( "\r\n" ); document.write( "b² - 5 = -8\r\n" ); document.write( " b² = -3\r\n" ); document.write( " b = ±√-3\r\n" ); document.write( " b = ±i√3\r\n" ); document.write( "\r\n" ); document.write( "Edwin\n" ); document.write( " |