document.write( "Question 407319: Solve for x. 2x squared plus 6x=3 \n" ); document.write( "
Algebra.Com's Answer #287202 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"2x%5E2%2B6x=3\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"2x%5E2%2B6x-3=0\" Subtract 3 from both sides.\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=6\", 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-%286%29+%2B-+sqrt%28+%286%29%5E2-4%282%29%28-3%29+%29%29%2F%282%282%29%29\" Plug in \"a=2\", \"b=6\", and \"c=-3\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-6+%2B-+sqrt%28+36-4%282%29%28-3%29+%29%29%2F%282%282%29%29\" Square \"6\" to get \"36\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-6+%2B-+sqrt%28+36--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+=+%28-6+%2B-+sqrt%28+36%2B24+%29%29%2F%282%282%29%29\" Rewrite \"sqrt%2836--24%29\" as \"sqrt%2836%2B24%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-6+%2B-+sqrt%28+60+%29%29%2F%282%282%29%29\" Add \"36\" to \"24\" to get \"60\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-6+%2B-+sqrt%28+60+%29%29%2F%284%29\" Multiply \"2\" and \"2\" to get \"4\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-6+%2B-+2%2Asqrt%2815%29%29%2F%284%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+=+%28-6%2B2%2Asqrt%2815%29%29%2F%284%29\" or \"x+=+%28-6-2%2Asqrt%2815%29%29%2F%284%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-3%2Bsqrt%2815%29%29%2F%282%29\" or \"x+=+%28-3-sqrt%2815%29%29%2F%282%29\" Reduce\r
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\n" ); document.write( "\n" ); document.write( "So the answers are \"x+=+%28-3%2Bsqrt%2815%29%29%2F%282%29\" or \"x+=+%28-3-sqrt%2815%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, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you\r
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