document.write( "Question 39613: 
Write a quadratic equation that has the following two solutions: \r\n" );
document.write( "x = 4 and x = -9) \r\n" );
document.write( "here is my equation\r\n" );
document.write( "\r\n" );
document.write( " (x - 4)(x + 9) = 0\r\n" );
document.write( "  \r\n" );
document.write( "   x² + 5x - 36 = 0
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Algebra.Com's Answer #25055 by AnlytcPhil(1810)\"\" \"About 
You can put this solution on YOUR website!
Write a quadratic equation that has the following two\r\n" );
document.write( "solutions:\r\n" );
document.write( "  \r\n" );
document.write( "x = 4 and x = -9) \r\n" );
document.write( "\r\n" );
document.write( "here is my equation\r\n" );
document.write( "\r\n" );
document.write( " (x - 4)(x + 9) = 0\r\n" );
document.write( "  \r\n" );
document.write( "   x² + 5x - 36 = 0 \r\n" );
document.write( " \r\n" );
document.write( "Substitute y temporarily for 0\r\n" );
document.write( "and plot this graph\r\n" );
document.write( "\r\n" );
document.write( "y = x² + 5x - 36\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\"+graph%28200%2C+200%2C+-12%2C+19%2C+-50%2C+50%2C+x%5E2+%2B+5%2Ax+-+36+%29+\"\r\n" );
document.write( "\r\n" );
document.write( "But since we substituted y for 0, we can only use the two points\r\n" );
document.write( "on that graph where y actually is 0, and those two points are\r\n" );
document.write( "(-9,0) and (4,0), where the graph crosses the x-axis. \r\n" );
document.write( "\r\n" );
document.write( "Edwin\r\n" );
document.write( "AnlytcPhil@aol.com
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