document.write( "Question 417491: divide and simplify
\n" );
document.write( "2x^2-7x-15/x^2-4 divided by 10x+15/x^2-4\r
\n" );
document.write( "\n" );
document.write( "i know you have to multiply by the reciprocal which cancels out the x^2-4.
\n" );
document.write( "i am now stuck on the rest of the problem.. \n" );
document.write( "
Algebra.Com's Answer #292285 by stanbon(75887) ![]() You can put this solution on YOUR website! divide and simplify \n" ); document.write( "2x^2-7x-15/x^2-4 divided by 10x+15/x^2-4 \n" ); document.write( "i know you have to multiply by the reciprocal which cancels out the x^2-4. \n" ); document.write( "---- \n" ); document.write( "Having canceled the (x^2-4) you have: \n" ); document.write( "(2x^2-7x-15)/(10x+15) \n" ); document.write( "----- \n" ); document.write( "= (2x^2-10x+3x-15)/(5(2x+3)) \n" ); document.write( "--- \n" ); document.write( "= (2x(x-5)+3(x-5))/(5(2x+3)) \n" ); document.write( "---- \n" ); document.write( "= ((x-5)(2x+3))/(5(2x+3)) \n" ); document.write( "---- \n" ); document.write( "= (x-5)/5 \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=========\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |