document.write( "Question 90877: Please please help me figure this out! I am tearing out my hair over this problem:
\n" ); document.write( "x/x-3<=-8/x-6 I need to solve and state the solution set. Thank you !!!
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Algebra.Com's Answer #65937 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"x%2F%28x-3%29%3C=-8%2F%28x-6%29\"\r
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\n" ); document.write( "\n" ); document.write( " Multiply both sides by the LCD\r
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\n" ); document.write( "\n" ); document.write( "\"x%28x-6%29%3C=-8%28x-3%29\" Simplify\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-6x%3C=-8x%2B24\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B2x-24%3C=0\" Get everything to one side\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%2B6%29%28x-4%29%3C=0\" Factor the left side (note: if you need help with factoring, check out this solver)\r
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\n" ); document.write( "\n" ); document.write( "So our zeros are \"x=-6\" and \"x=4\"\r
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\n" ); document.write( "\n" ); document.write( "This means we can plug in values near \"x=-6\" and \"x=4\" to find out if they produce y values that are less than zero:\r
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\n" ); document.write( "\n" ); document.write( "Now lets test everything from negative infinity to x=-6\r
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\n" ); document.write( "\n" ); document.write( "Plug in \"x=-7\" (any point less than x=-6 will work)\r
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29=x%5E2%2B2x-24\" Start with the given polynomial\r
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\n" ); document.write( "\n" ); document.write( "\"f%28-7%29=%28-7%29%5E2%2B2%28-7%29-24\" Plug in \"x=-7\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%28-7%29=%2849%29%2B2%28-7%29-24\" Raise -7 to the second power to get 49\r
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\n" ); document.write( "\n" ); document.write( "\"f%28-7%29=%2849%29%2B-14-24\" Multiply 2 by -7 to get -14\r
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\n" ); document.write( "\n" ); document.write( "\"f%28-7%29=11\" Now combine like terms\r
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\n" ); document.write( "\n" ); document.write( "So x=-7 produces a y value greater than zero\r
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\n" ); document.write( "\n" ); document.write( "So everything less than x=-6 will produce a y value greater than zero. So lets ignore this range\r
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\n" ); document.write( "\n" ); document.write( "Now lets test everything from x=4 to infinity\r
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\n" ); document.write( "\n" ); document.write( "Lets evaluate \"f%285%29\" (any point greater than x=4 will work)\r
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\n" ); document.write( "\n" ); document.write( "Plug in \"x=5\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29=x%5E2%2B2x-24\" Start with the given polynomial\r
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\n" ); document.write( "\n" ); document.write( "\"f%285%29=%285%29%5E2%2B2%285%29-24\" Plug in \"x=5\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%285%29=%2825%29%2B2%285%29-24\" Raise 5 to the second power to get 25\r
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\n" ); document.write( "\n" ); document.write( "\"f%285%29=%2825%29%2B10-24\" Multiply 2 by 5 to get 10\r
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\n" ); document.write( "\n" ); document.write( "\"f%285%29=11\" Now combine like terms\r
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\n" ); document.write( "\n" ); document.write( "So everything greater than x=4 will produce a y value greater than zero. So lets ignore this range.\r
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\n" ); document.write( "\n" ); document.write( "Now lets test everything from x=-6 to x=4\r
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\n" ); document.write( "\n" ); document.write( "Plug in \"x=-5\" (any point in between x=-6 and x=4 will work)\r
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\n" ); document.write( "\n" ); document.write( "Lets evaluate \"f%28-5%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29=x%5E2%2B2x-24\" Start with the given polynomial\r
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\n" ); document.write( "\n" ); document.write( "\"f%28-5%29=%28-5%29%5E2%2B2%28-5%29-24\" Plug in \"x=-5\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%28-5%29=%2825%29%2B2%28-5%29-24\" Raise -5 to the second power to get 25\r
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\n" ); document.write( "\n" ); document.write( "\"f%28-5%29=%2825%29%2B-10-24\" Multiply 2 by -5 to get -10\r
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\n" ); document.write( "\n" ); document.write( "\"f%28-5%29=-9\" Now combine like terms\r
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\n" ); document.write( "\n" ); document.write( "So everything from x=-6 to x=4 will produce a y value less than zero\r
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\n" ); document.write( "\n" ); document.write( "So the solution set is \r
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\n" ); document.write( "\n" ); document.write( "\"-6%3C=x%3C=4\"\r
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\n" ); document.write( "\n" ); document.write( "which looks like this in interval notation\r
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\n" ); document.write( "\n" ); document.write( "If we graph \"y=x%5E2%2B2x-24\", we can see the range that is below y=0\r
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\n" ); document.write( "\n" ); document.write( "\"+graph%28+500%2C+500%2C+-10%2C+10%2C+-10%2C+10%2C+x%5E2%2B2x-24%29+\"\r
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