document.write( "Question 261952: -(7x)^2 = 49x^2 or -49x^2 \n" ); document.write( "
Algebra.Com's Answer #193043 by dabanfield(803)\"\" \"About 
You can put this solution on YOUR website!
-(7x)^2 = 49x^2 or -49x^2\r
\n" ); document.write( "\n" ); document.write( "-(7x)^2 = - (7^2)*x^2 = - 49x^2\r
\n" ); document.write( "\n" ); document.write( "On the other hand:\r
\n" ); document.write( "\n" ); document.write( "(-7x)^2 = (-7)^2*x^2 = 49x^2\r
\n" ); document.write( "\n" ); document.write( "See the difference? :)
\n" ); document.write( "
\n" );