document.write( "Question 454771: I am not sure how to find out the LCD. Can you please help? Thanks!!\r
\n" );
document.write( "\n" );
document.write( "3a^2/a^2+a+1 2a/a-1 a^3/a^3-1\r
\n" );
document.write( "\n" );
document.write( "I know that in order to find the LCD you would have to multiply the top and bottom of the fraction but on this one I just keep getting stuck :( Help! \n" );
document.write( "
Algebra.Com's Answer #312263 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 3a^2/a^2+a+1 2a/a-1 a^3/a^3-1 \n" ); document.write( "----- \n" ); document.write( "Factor each denominator: \n" ); document.write( "a^2+a+1 is not further factorable. \n" ); document.write( "a-1 is not further factorable. \n" ); document.write( "a^3-1 = (a-1)(a^2+a+1) \n" ); document.write( "------------------------- \n" ); document.write( "LCD = (a-1)(a^2+a+1) \n" ); document.write( "==================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |