document.write( "Question 550129: Essay: Show all work. A school designer wants to create a whiteboard with the optimal dimensions to enhance learning. It is determined that if one side of the whiteboard is x + 4y inches, the other side should be x^2 + 4xy - 6y^2 inches. Write an algebraic expression for the area of such a whiteboard, simplify it, and include correct units with your solution. \n" ); document.write( "
Algebra.Com's Answer #358543 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
one side of the whiteboard is x + 4y inches, the other side should be x^2 + 4xy - 6y^2 inches
\n" ); document.write( ":
\n" ); document.write( ". . . x^2 + 4xy - 6y^2
\n" ); document.write( ". . . X. . . . . x + 4y
\n" ); document.write( "---------------------------
\n" ); document.write( ". . . 4x^2y + 16xy^2 - 24y^3
\n" ); document.write( ". x^3 + 4x^2y - 6xy^2
\n" ); document.write( "------------------------------
\n" ); document.write( ". x^3 + 8x^2y + 10xy^2 - 24y^3 = the area of the board
\n" ); document.write( ":
\n" ); document.write( " \n" ); document.write( "
\n" );