document.write( "Question 121712: Simplify:\r
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\n" ); document.write( "\n" ); document.write( "a) (3/4)^-2 +(2/5)^0 -(4/3)^2
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Algebra.Com's Answer #89374 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
a) \r
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\n" ); document.write( "\n" ); document.write( "\"1%2F%283%2F4%29%5E2++%2B+1+-+%284%2F3%29%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"1%2F%289%2F16%29++%2B+1+-+%2816%2F9%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%281%2F%28x+%5E-1%2B+y%5E-2%29%5E2%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"1%2F%28%28y%5E2+%2B+x%29%2Fxy%5E2%29%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"%281%2F1%29%2F%28%28y%5E2+%2B+x%29%5E2%2Fx%5E2y%5E4%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"+x%5E2y%5E4%2F+%28y%5E2+%2B+x%29%28y%5E2+%2B+x%29\"
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