document.write( "Question 242579: Solve the following rational expression:
\n" ); document.write( "\"3%2F%28x%2B2%29%2B+5%2F%28x%2B4%29=2\"\r
\n" ); document.write( "\n" ); document.write( "I have been trying and have finished this question. I would just like to see if I have done it correstly. Thank you.
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Algebra.Com's Answer #177968 by MathTherapy(10552)\"\" \"About 
You can put this solution on YOUR website!
Solve the following rational expression:
\n" ); document.write( "\"3%2F%28x%2B2%29%2B+5%2F%28x%2B4%29=2\"\r
\n" ); document.write( "\n" ); document.write( "I have been trying and have finished this question. I would just like to see if I have done it correstly. Thank you.\r
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\n" ); document.write( "\n" ); document.write( "It would've helped greatly if you'd included your answer. This way, a check could've been made to see if your answer is correct. better yet, you could've done the check yourself, and would've determined if your answer is correct.\r
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\n" ); document.write( "\n" ); document.write( "\"3%2F%28x%2B2%29%2B+5%2F%28x%2B4%29=2\"\r
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\n" ); document.write( "\n" ); document.write( "3(x + 4) + 5(x + 2) = 2(x + 2)(x + 4)----- Multiplying each side of the equation by its LCD, (x + 2)(x + 4) to clear the fractions\r
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\n" ); document.write( "\n" ); document.write( "\"3x+%2B+12+%2B+5x+%2B+10+=+2%28x%5E2+%2B+6x+%2B+8%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"8x+%2B+22+=+2x%5E2+%2B+12x+%2B+16\"\r
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\n" ); document.write( "\n" ); document.write( "\"0+=+2x%5E2+%2B+4x+-+6\" ------ Subtracting 8x and 22 from both sides of equation\r
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\n" ); document.write( "\n" ); document.write( "\"2x%5E2+%2B+4x+-+6+=+0\" ------ Rearranging equation \r
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\n" ); document.write( "\n" ); document.write( "\"2%28x%5E2+%2B+2x+-+3%29+=+2%280%29\" ------ Factoring out GCF\r
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\n" ); document.write( "\n" ); document.write( "(x + 3)(x - 1) = 0 ------ Factoring quadratic, \"x%5E2+%2B+2x+-+3+=+0\" \r
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\n" ); document.write( "\n" ); document.write( "x = - 3, or 1\r
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\n" ); document.write( "\n" ); document.write( "Since - 2 or - 4 would make the fractions in the equation undefined, then x CANNOT equal any of these 2 numbers. Since x DOES NOT equal - 2 or - 4, then x being equal to - 3 or 1 are the correct values. You can now do the check to make sure that they do work.
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