document.write( "Question 387743: Multiply \r
\n" ); document.write( "\n" ); document.write( "(4√(5)-12√(7))*(5√(5)+15√(7))\r
\n" ); document.write( "\n" ); document.write( "I honestly don't even know where to start!!
\n" ); document.write( "

Algebra.Com's Answer #274131 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
\"%284sqrt%285%29+-+12sqrt%287%29+%29%2A%285sqrt%285%29+%2B+15sqrt%287%29+%29\"
\n" ); document.write( "Multiply the terms the same as in any multiplication of binomials. FOIL, etc.
\n" ); document.write( "= \"4%2A5%2Asqrt%2825%29+%2B+4%2A15%2Asqrt%2835%29+-+60sqrt%2835%29+-180sqrt%2849%29\"
\n" ); document.write( "= \"20%2A5+%2B+60sqrt%2835%29+-+60+sqrt%2835%29+-+180%2A7\"
\n" ); document.write( "= 100 - 1260
\n" ); document.write( "= -1160
\n" ); document.write( "
\n" ); document.write( "
\n" );