Problem regarding 
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document.write( "I actually know how to solve it. I solved in many ways because I wanted to be an expert of it.\r
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document.write( "I plotted a graph taking 
and highlighted the area. I got the answer 1/3 < x < 2\r
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document.write( "I solved it in this way too..\r
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and got the same solution.\r
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document.write( "But my problem is... WHY CAN'T I CROSS MULTIPLY LIKE THIS???\r
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\r
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document.write( "Please don't tell \"Because we don't know whether 'x' is plus or minus which changes > to < I want a better explanation. Thank you so much.
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, with 
, since this value would render the inequality UNDEFINED
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document.write( "In this case, you certainly CAN cross-multiply to get:
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------ Note that the INEQUALITY sign changed, since DIVISION by a negative value (- 1) dictates such
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document.write( "Therefore, 
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document.write( "We now have 2 CRITICAL POINTS: 
, and 
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document.write( "The intervals to test for values to make the inequality TRUE would then be:
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document.write( "1) 
, and
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document.write( "2) 
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document.write( "For , we can use 0 for x
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document.write( "Does the INEQUALITY PROVE TRUE when this occurs? Let's see!!
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document.write( "With x = 0, becomes: 
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____
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(FALSE)\r
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document.write( "For , we can use 1 for x
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document.write( "Does the INEQUALITY PROVE TRUE when this occurs? Let's see!!
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document.write( "With x = 1, becomes: 
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(TRUE)
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document.write( "As seen from the 2 tested intervals, the only solution is: 
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document.write( "***Another test interval is: 
, but I knew that this interval would render the INEQUALITY, false.
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document.write( "So, your answer is CORRECT!! Good job!!
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document.write( "You can do the check!! \r
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document.write( "Send comments, “thank-yous,” and inquiries to “D” at MathMadEzy@aol.com.
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document.write( "Further help is available, online or in-person, for a fee, obviously. \r
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document.write( "For FREE info and answers to questions about the ASVAB exam, the NYS 3 – 8 city/state wide exams,GENERAL
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document.write( "MATH and HOMEWORK QUESTIONS, or MATH QUESTIONS related to the Regents Integrated Algebra,
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