document.write( "Question 228192: solve for X by using quadratic formula.\r
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\n" ); document.write( "\n" ); document.write( "3x2+x-2=0
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Algebra.Com's Answer #169449 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "\"3x%5E2%2Bx-2=0\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "Notice that the quadratic \"3x%5E2%2Bx-2\" is in the form of \"Ax%5E2%2BBx%2BC\" where \"A=3\", \"B=1\", and \"C=-2\"\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-%281%29+%2B-+sqrt%28+%281%29%5E2-4%283%29%28-2%29+%29%29%2F%282%283%29%29\" Plug in \"A=3\", \"B=1\", and \"C=-2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-1+%2B-+sqrt%28+1-4%283%29%28-2%29+%29%29%2F%282%283%29%29\" Square \"1\" to get \"1\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-1+%2B-+sqrt%28+1--24+%29%29%2F%282%283%29%29\" Multiply \"4%283%29%28-2%29\" to get \"-24\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-1+%2B-+sqrt%28+1%2B24+%29%29%2F%282%283%29%29\" Rewrite \"sqrt%281--24%29\" as \"sqrt%281%2B24%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-1+%2B-+sqrt%28+25+%29%29%2F%282%283%29%29\" Add \"1\" to \"24\" to get \"25\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-1+%2B-+sqrt%28+25+%29%29%2F%286%29\" Multiply \"2\" and \"3\" to get \"6\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-1+%2B-+5%29%2F%286%29\" Take the square root of \"25\" to get \"5\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-1+%2B+5%29%2F%286%29\" or \"x+=+%28-1+-+5%29%2F%286%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%284%29%2F%286%29\" or \"x+=++%28-6%29%2F%286%29\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+2%2F3\" or \"x+=+-1\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"x+=+2%2F3\" or \"x+=+-1\" \r
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