document.write( "Question 625898: Please help! Solve by using quadratic formula \"+ax%5E2%2Bbx%2Bc=0+\".\r
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Algebra.Com's Answer #393862 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "\"6x%5E2-2x-1=0\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "Notice that the quadratic \"6x%5E2-2x-1\" is in the form of \"Ax%5E2%2BBx%2BC\" where \"A=6\", \"B=-2\", and \"C=-1\"\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-%28-2%29+%2B-+sqrt%28+%28-2%29%5E2-4%286%29%28-1%29+%29%29%2F%282%286%29%29\" Plug in \"A=6\", \"B=-2\", and \"C=-1\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+sqrt%28+%28-2%29%5E2-4%286%29%28-1%29+%29%29%2F%282%286%29%29\" Negate \"-2\" to get \"2\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+sqrt%28+4-4%286%29%28-1%29+%29%29%2F%282%286%29%29\" Square \"-2\" to get \"4\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+sqrt%28+4--24+%29%29%2F%282%286%29%29\" Multiply \"4%286%29%28-1%29\" to get \"-24\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+sqrt%28+4%2B24+%29%29%2F%282%286%29%29\" Rewrite \"sqrt%284--24%29\" as \"sqrt%284%2B24%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+sqrt%28+28+%29%29%2F%282%286%29%29\" Add \"4\" to \"24\" to get \"28\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+sqrt%28+28+%29%29%2F%2812%29\" Multiply \"2\" and \"6\" to get \"12\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+2%2Asqrt%287%29%29%2F%2812%29\" Simplify the square root (note: If you need help with simplifying square roots, check out this solver) \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282%2B2%2Asqrt%287%29%29%2F%2812%29\" or \"x+=+%282-2%2Asqrt%287%29%29%2F%2812%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%281%2Bsqrt%287%29%29%2F%286%29\" or \"x+=+%281-sqrt%287%29%29%2F%286%29\" Reduce\r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"x+=+%281%2Bsqrt%287%29%29%2F%286%29\" or \"x+=+%281-sqrt%287%29%29%2F%286%29\"\r
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\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, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you\r
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