document.write( "Question 428188: What is the y value of\r
\n" ); document.write( "\n" ); document.write( "y = x^2 - 4x\r
\n" ); document.write( "\n" ); document.write( "when the value of x is -1 negative 1\r
\n" ); document.write( "\n" ); document.write( "or the value of is ix 1 positive 1\r
\n" ); document.write( "\n" ); document.write( "are they the same? why or why not?\r
\n" ); document.write( "\n" ); document.write( "can you show how you solved it?
\n" ); document.write( "Thanks so much.
\n" ); document.write( "

Algebra.Com's Answer #297682 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
y=x^2-4x
\n" ); document.write( "y=-1^2-4*-1
\n" ); document.write( "y=1+4
\n" ); document.write( "y=5
\n" ); document.write( "-----------
\n" ); document.write( "y=1^2-4*1
\n" ); document.write( "y=1-4
\n" ); document.write( "y=-3
\n" ); document.write( "
\n" );