document.write( "Question 1038302: Solve the following quadratic equations.
\n" ); document.write( " 〖(x-4)〗^2=81\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " Using the quadratic formula, solve 3x^2+6x-21=0
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #652998 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
\"%28x-4%29%5E2=81\", both sides are squares. Nothing too complicated.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"3x%5E2%2B6x-21=0\"
\n" ); document.write( "Easily simplified first:
\n" ); document.write( "\"x%5E2%2B2x-7=0\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x=%28-2%2B-+sqrt%282%5E2-4%2A1%28-7%29%29%29%2F2\"
\n" ); document.write( "Simplify from that.
\n" ); document.write( "
\n" );