document.write( "Question 686537: whats the solution to x^2 +4x+19=0? \n" ); document.write( "
Algebra.Com's Answer #424819 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Use the quadratic formula to solve for x\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-%284%29%2B-sqrt%28%284%29%5E2-4%281%29%2819%29%29%29%2F%282%281%29%29\" Plug in \"a+=+1\", \"b+=+4\", \"c+=+19\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-4%2B-sqrt%2816-%2876%29%29%29%2F%282%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-4%2B-sqrt%28-60%29%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-4%2Bsqrt%28-60%29%29%2F2\" or \"x+=+%28-4-sqrt%28-60%29%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-4%2B2i%2Asqrt%2815%29%29%2F2\" or \"x+=+%28-4-2i%2Asqrt%2815%29%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+-2%2Bi%2Asqrt%2815%29\" or \"x+=+-2-i%2Asqrt%2815%29\"\r
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\n" ); document.write( "\n" ); document.write( "So the two exact solutions are \"x+=+-2%2Bi%2Asqrt%2815%29\" or \"x+=+-2-i%2Asqrt%2815%29\"
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