document.write( "Question 74926: x+4 over 3x + 4y times 9x squard - 16y squared over 2x squared + 5x - 12 \n" ); document.write( "

Algebra.Com's Answer #53872 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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: x+4 over 3x + 4y times 9x squared - 16y squared over 2x squared + 5x - 12
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\n" ); document.write( "\n" ); document.write( " $\"%28%28x%2B4%29%29%2F%28%283x%2B4y%29%29\"$ * $\"%28%289x%5E2+-+16y%5E2%29%29%2F%28%282x%5E2+%2B+5x+-+12%29%29\"$
\n" ); document.write( ":
\n" ); document.write( "We can factor the difference of squares and the quadratic, so we have:
\n" ); document.write( " $\"%28%28x%2B4%29%29%2F%28%283x%2B4y%29%29\"$ * $\"%28%283x+-+4y%29%283x+%2B+4y%29%29%2F%28%282x+-+3%29%28x+%2B+4%29%29%29\"$
\n" ); document.write( ":
\n" ); document.write( "Cancel out the (3x+4y) and the (x+4), you end up with:
\n" ); document.write( " $\"%28%283x-4y%29%29%2F%28%282x-3%29%29\"$
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\n" ); document.write( "Did this make sense to you? Any questions?
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