document.write( "Question 375827: -x^2-3x+5=0 \n" ); document.write( "
Algebra.Com's Answer #267324 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"-x%5E2-3x%2B5=0\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B3x-5=0\" Multiply EVERY term by -1 to make the leading coefficient positive.\r
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\n" ); document.write( "\n" ); document.write( "Notice that the quadratic \"x%5E2%2B3x-5\" is in the form of \"Ax%5E2%2BBx%2BC\" where \"A=1\", \"B=3\", and \"C=-5\"\r
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\n" ); document.write( "\n" ); document.write( "Let's use the quadratic formula to solve for \"x\":\r
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\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
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-%283%29+%2B-+sqrt%28+%283%29%5E2-4%281%29%28-5%29+%29%29%2F%282%281%29%29\" Plug in \"A=1\", \"B=3\", and \"C=-5\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-3+%2B-+sqrt%28+9-4%281%29%28-5%29+%29%29%2F%282%281%29%29\" Square \"3\" to get \"9\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-3+%2B-+sqrt%28+9--20+%29%29%2F%282%281%29%29\" Multiply \"4%281%29%28-5%29\" to get \"-20\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-3+%2B-+sqrt%28+9%2B20+%29%29%2F%282%281%29%29\" Rewrite \"sqrt%289--20%29\" as \"sqrt%289%2B20%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-3+%2B-+sqrt%28+29+%29%29%2F%282%281%29%29\" Add \"9\" to \"20\" to get \"29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-3+%2B-+sqrt%28+29+%29%29%2F%282%29\" Multiply \"2\" and \"1\" to get \"2\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-3%2Bsqrt%2829%29%29%2F%282%29\" or \"x+=+%28-3-sqrt%2829%29%29%2F%282%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"x+=+%28-3%2Bsqrt%2829%29%29%2F%282%29\" or \"x+=+%28-3-sqrt%2829%29%29%2F%282%29\" \r
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\n" ); document.write( "\n" ); document.write( "If you need more help, email me at jim_thompson5910@hotmail.com\r
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\n" ); document.write( "\n" ); document.write( "Also, feel free to check out my tutoring website\r
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