document.write( "Question 76516: How do I simplify this 1/x - 1/b over 1/xb + 1/2 \n" ); document.write( "

Algebra.Com's Answer #54952 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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How do I simplify this 1/x - 1/b over 1/xb + 1/2
\n" ); document.write( ":
\n" ); document.write( " $\"1%2Fx+-+1%2Fb\"$
\n" ); document.write( "---------- =
\n" ); document.write( " $\"1%2F%28xb%29+%2B+1%2F2\"$
\n" ); document.write( ":
\n" ); document.write( "Convert the fractions into a single fraction with a common denominator
\n" ); document.write( " $\"%28%28b-x%29%29%2F%28xb%29\"$
\n" ); document.write( "---------- =
\n" ); document.write( " $\"%28%282%2B%28xb%29%29%29%2F%282xb%29\"$
\n" ); document.write( ":
\n" ); document.write( "Remember when you divide fractions, you invert the dividing fraction and mult:
\n" ); document.write( " $\"%28%28b-x%29%29%2F%28xb%29\"$ * $\"%282xb%29%2F%28%282%2Bxb%29%29\"$ = $\"%28%28b-x%29%29%2F1\"$ * $\"%282%29%2F%28%282%2Bxb%29%29\"$ = $\"%282%28b-x%29%29%2F%28%282+%2B+xb%29%29\"$ ; canceled the xb's
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