document.write( "Question 65452: Rational and Radical Expressions\r
\n" ); document.write( "\n" ); document.write( "3) Divide and simplify: \r
\n" ); document.write( "\n" ); document.write( "5x-7 ÷ 25x²-49
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\n" ); document.write( "5x² +27x+28
\n" ); document.write( "thank you so much
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Algebra.Com's Answer #45972 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
5x-7 ÷ 25x²-49
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\n" ); document.write( "5x^2 +27x+28\r
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\n" ); document.write( "Simplify the numerator: (5x-7)/[5x-7)(5x+7)= 1/(5x+7)
\n" ); document.write( "Simplify the denominator: (5x+7)(x+4)
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\n" ); document.write( "Rewrite the fraction as:
\n" ); document.write( "[1/5x+7] / [(5x+7)(x+4)]
\n" ); document.write( "Invert the denominator and multiply to get:
\n" ); document.write( "(x+4)/(5x+7)^2
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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