document.write( "Question 442759: Perform the multiplication and simplify, if possible\r
\n" );
document.write( "\n" );
document.write( "9 sqrt(3) (8 sqrt (5) + 6 sqrt (7))\r
\n" );
document.write( "\n" );
document.write( "options are\r
\n" );
document.write( "\n" );
document.write( "54 sqrt (15) + 72 sqrt (21)
\n" );
document.write( "72 sqrt (15) + 54 sqrt (21)
\n" );
document.write( "54 sqrt (3) + 72 sqrt (7)
\n" );
document.write( "72 sqrt (3) + 54 sqrt (7)
\n" );
document.write( "72 sqrt (5) + 54 sqrt (7)\r
\n" );
document.write( "\n" );
document.write( "Can someone pleas show me how to work this problem.
\n" );
document.write( "Thanks \n" );
document.write( "
Algebra.Com's Answer #305444 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Perform the multiplication and simplify, if possible \n" ); document.write( "9 sqrt(3) (8 sqrt (5) + 6 sqrt (7)) \n" ); document.write( "options are \n" ); document.write( "54 sqrt (15) + 72 sqrt (21) \n" ); document.write( "72 sqrt (15) + 54 sqrt (21) \n" ); document.write( "54 sqrt (3) + 72 sqrt (7) \n" ); document.write( "72 sqrt (3) + 54 sqrt (7) \n" ); document.write( "72 sqrt (5) + 54 sqrt (7) \n" ); document.write( "---------------- \n" ); document.write( "9 sqrt(3)*(8 sqrt (5) + 6 sqrt (7)) \n" ); document.write( "Just multiply it. Multiply what's outside and inside the radicals separately. \n" ); document.write( "= 9*8*sqrt(3*5) + 9*6*sqrt(3*7) \n" ); document.write( "= 72sqrt(15) + 54sqrt(21) \n" ); document.write( " \n" ); document.write( " |