document.write( "Question 175636This question is from textbook
\n" ); document.write( ": 2x^2+5x-3+0 \n" ); document.write( "
Algebra.Com's Answer #130735 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"2x%5E2%2B5x-3=0\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "Notice we have a quadratic equation in the form of \"ax%5E2%2Bbx%2Bc\" where \"a=2\", \"b=5\", and \"c=-3\"\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-%285%29+%2B-+sqrt%28+%285%29%5E2-4%282%29%28-3%29+%29%29%2F%282%282%29%29\" Plug in \"a=2\", \"b=5\", and \"c=-3\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+%2B-+sqrt%28+25-4%282%29%28-3%29+%29%29%2F%282%282%29%29\" Square \"5\" to get \"25\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+%2B-+sqrt%28+25--24+%29%29%2F%282%282%29%29\" Multiply \"4%282%29%28-3%29\" to get \"-24\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+%2B-+sqrt%28+25%2B24+%29%29%2F%282%282%29%29\" Rewrite \"sqrt%2825--24%29\" as \"sqrt%2825%2B24%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+%2B-+sqrt%28+49+%29%29%2F%282%282%29%29\" Add \"25\" to \"24\" to get \"49\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+%2B-+sqrt%28+49+%29%29%2F%284%29\" Multiply \"2\" and \"2\" to get \"4\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+%2B-+7%29%2F%284%29\" Take the square root of \"49\" to get \"7\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+%2B+7%29%2F%284%29\" or \"x+=+%28-5+-+7%29%2F%284%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282%29%2F%284%29\" or \"x+=++%28-12%29%2F%284%29\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+1%2F2\" or \"x+=+-3\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So the answers are \"x+=+1%2F2\" or \"x+=+-3\" \r
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