document.write( "Question 315114: 3x to third power - 2x + 7y x = -3 y = -7 \n" ); document.write( "
Algebra.Com's Answer #225454 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Substitute the values in the expression and simplify.
\n" ); document.write( "\"3x%5E3-2x%2B7yx=3%28-3%29%5E3-2%28-7%29%2B7%28-3%29%28-7%29\"
\n" ); document.write( "\"3x%5E3-2x%2B7yx=-81%2B14%2B147\"
\n" ); document.write( "\"3x%5E3-2x%2B7yx=80\"
\n" ); document.write( "
\n" );