document.write( "Question 1012389: An 8-inch By 10-inch Photo Is Being Reduced Proportionally. The 10-inch Side Is Reduced By X Inches. What Is The CHANGE In The Area In Terms Of X? \n" ); document.write( "
Algebra.Com's Answer #628290 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
An 8-inch By 10-inch Photo Is Being Reduced Proportionally. The 10-inch Side Is Reduced By X Inches. What Is The CHANGE In The Area In Terms Of X?
\n" ); document.write( "------------
\n" ); document.write( "New area = (10 - x)*(8 - 0.8x) = 0.8x^2 - 10.8x + 80 sq inches
\n" ); document.write( "----
\n" ); document.write( "Change = 80 - (0.8x^2 - 10.8x + 80)
\n" ); document.write( "= 10.8x - 0.8x^2
\n" ); document.write( "
\n" );