document.write( "Question 339150: find the real solutions to this equation:(x+3)^2+9(x+3)+14=0 \n" ); document.write( "
Algebra.Com's Answer #243078 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"%28x%2B3%29%5E2%2B9%28x%2B3%29%2B14=0\" Start with the given equation.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B6x%2B9%2B9%28x%2B3%29%2B14=0\" FOIL\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B6x%2B9%2B9x%2B27%2B14=0\" Distribute.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B15x%2B50=0\" Combine like terms.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Notice that the quadratic \"x%5E2%2B15x%2B50\" is in the form of \"Ax%5E2%2BBx%2BC\" where \"A=1\", \"B=15\", and \"C=50\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Let's use the quadratic formula to solve for \"x\":\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-B+%2B-+sqrt%28+B%5E2-4AC+%29%29%2F%282A%29\" Start with the quadratic formula\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-%2815%29+%2B-+sqrt%28+%2815%29%5E2-4%281%29%2850%29+%29%29%2F%282%281%29%29\" Plug in \"A=1\", \"B=15\", and \"C=50\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-15+%2B-+sqrt%28+225-4%281%29%2850%29+%29%29%2F%282%281%29%29\" Square \"15\" to get \"225\". \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-15+%2B-+sqrt%28+225-200+%29%29%2F%282%281%29%29\" Multiply \"4%281%29%2850%29\" to get \"200\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-15+%2B-+sqrt%28+25+%29%29%2F%282%281%29%29\" Subtract \"200\" from \"225\" to get \"25\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-15+%2B-+sqrt%28+25+%29%29%2F%282%29\" Multiply \"2\" and \"1\" to get \"2\". \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-15+%2B-+5%29%2F%282%29\" Take the square root of \"25\" to get \"5\". \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-15+%2B+5%29%2F%282%29\" or \"x+=+%28-15+-+5%29%2F%282%29\" Break up the expression. \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-10%29%2F%282%29\" or \"x+=++%28-20%29%2F%282%29\" Combine like terms. \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x+=+-5\" or \"x+=+-10\" Simplify. \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So the solutions are \"x+=+-5\" or \"x+=+-10\" \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "If you need more help, email me at jim_thompson5910@hotmail.com\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Also, feel free to check out my tutoring website. \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Jim
\n" ); document.write( "
\n" ); document.write( "
\n" );