document.write( "Question 171794: Need help with solving this equation.
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Algebra.Com's Answer #126896 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"2=%28x%2B3%29%2F%28x%2B2%29%2B5%2F%28x%5E2-x-6%29\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"2=%28x%2B3%29%2F%28x%2B2%29%2B5%2F%28%28x%2B2%29%28x-3%29%29\" Factor \"x%5E2-x-6\" to get \"%28x%2B2%29%28x-3%29\"\r
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\n" ); document.write( "\n" ); document.write( "Take note that the LCD is \"%28x%2B2%29%28x-3%29\"\r
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\n" ); document.write( "\n" ); document.write( " Multiply EVERY term by the LCD \"%28x%2B2%29%28x-3%29\" to clear out the fractions.\r
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\n" ); document.write( "\n" ); document.write( "\"2%28x%2B2%29%28x-3%29=%28x%2B3%29%28x-3%29%2B5\" Multiply and simplify\r
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\n" ); document.write( "\n" ); document.write( "\"2%28x%5E2-x-6%29=x%5E2-9%2B5\" FOIL\r
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\n" ); document.write( "\n" ); document.write( "\"2x%5E2-2x-12=x%5E2-9%2B5\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"2x%5E2-2x-12=x%5E2-4\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "\"2x%5E2-2x-12-x%5E2%2B4=0\" Subtract \"x%5E2\" from both sides. Add 4 to both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-2x-8=0\" Combine like terms.\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=1\", \"b=-2\", and \"c=-8\"\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%281%29%28-8%29+%29%29%2F%282%281%29%29\" Plug in \"a=1\", \"b=-2\", and \"c=-8\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+sqrt%28+%28-2%29%5E2-4%281%29%28-8%29+%29%29%2F%282%281%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%281%29%28-8%29+%29%29%2F%282%281%29%29\" Square \"-2\" to get \"4\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+sqrt%28+4--32+%29%29%2F%282%281%29%29\" Multiply \"4%281%29%28-8%29\" to get \"-32\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+sqrt%28+4%2B32+%29%29%2F%282%281%29%29\" Rewrite \"sqrt%284--32%29\" as \"sqrt%284%2B32%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+sqrt%28+36+%29%29%2F%282%281%29%29\" Add \"4\" to \"32\" to get \"36\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+sqrt%28+36+%29%29%2F%282%29\" Multiply \"2\" and \"1\" to get \"2\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+6%29%2F%282%29\" Take the square root of \"36\" to get \"6\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B+6%29%2F%282%29\" or \"x+=+%282+-+6%29%2F%282%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%288%29%2F%282%29\" or \"x+=++%28-4%29%2F%282%29\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+4\" or \"x+=+-2\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So the possible solutions are \"x+=+4\" or \"x+=+-2\" \r
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\n" ); document.write( "\n" ); document.write( "However, if you plug in \"x+=+-2\" back into the original equation, a division by zero will occur. \r
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\n" ); document.write( "\n" ); document.write( "So \"x+=+-2\" is NOT a solution.\r
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\n" ); document.write( "\n" ); document.write( "Answer:\r
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\n" ); document.write( "\n" ); document.write( "So the solution is \"x+=+4\"
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