document.write( "Question 193961: SIMPLIFY\r
\n" );
document.write( "\n" );
document.write( "THE SQUARE ROOT OF 28 -2*the square root of 7 + 6*the square root of 63 \n" );
document.write( "
Algebra.Com's Answer #145590 by RAY100(1637)![]() ![]() ![]() You can put this solution on YOUR website! sqrt (28) -2sqrt(7) +6sqrt(63) \n" ); document.write( "sqrt (4*7) -2sqrt7 +6sqrt (9*7) \n" ); document.write( "2sqrt7-2sqrt7+6*3sqrt7 \n" ); document.write( "18sqrt7,,,,,,,ANSWER \n" ); document.write( "check \n" ); document.write( "using calculator to calc both original and answer, both gave 47.62 ,, ok \n" ); document.write( " |