document.write( "Question 33539: Simplify.
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document.write( "(36y^2-64x^2 / xy) / (6/x - 8/y). Thanks in advance. \n" );
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Algebra.Com's Answer #19952 by priya(51) ![]() You can put this solution on YOUR website! first simplify the numerator and denominator seperately .\r \n" ); document.write( "\n" ); document.write( " 1) denominator- on simplifying, \n" ); document.write( " 6/x - 8/y \n" ); document.write( " \n" ); document.write( " we get, \n" ); document.write( " (6y -8x)/xy --------- A\r \n" ); document.write( "\n" ); document.write( " 2) Numerator -\r \n" ); document.write( "\n" ); document.write( " (36y^2 -64x^2) / xy \n" ); document.write( " try to simplify this, \n" ); document.write( " \n" ); document.write( " ( 36y^2- 64x^2) can be written as\r \n" ); document.write( "\n" ); document.write( " 6^2 y^2 - 8^2 x^2 there is a formula( a^2-b^2 = (a+b)(a-b)therefore here a=6y and b= 8x)\r \n" ); document.write( "\n" ); document.write( "from that the above can be re-written as (6y-8x)(6y +8x)\r \n" ); document.write( "\n" ); document.write( "now the new NUMERATOR IS \n" ); document.write( " (6y-8x)(6y+8x)/xy -------------- B\r \n" ); document.write( "\n" ); document.write( " FROM A & B,\r \n" ); document.write( "\n" ); document.write( " (6y-8x)(6y+8x) * xy \n" ); document.write( " ___________________________ \n" ); document.write( " xy * (6y-8x) \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " = (6y+8x) is the answer. (xy and (6y-8x)get cancelled )\r \n" ); document.write( "\n" ); document.write( " visit my site(*click ME)to learn maths online.. \n" ); document.write( "priya \n" ); document.write( " |