document.write( "Question 65633: From a square piece of cardboard with width x inches, a square of x - 3 inches is removed from the center. Write the area of the remaining piece as a function of x. \n" ); document.write( "
Algebra.Com's Answer #46311 by ptaylor(2198)![]() ![]() You can put this solution on YOUR website! Area = length x width\r \n" ); document.write( "\n" ); document.write( "Area of big square =x^2 \n" ); document.write( "area of small square=(x-3)^2=x^2-6x+9\r \n" ); document.write( "\n" ); document.write( "Area of the remaining piece is area of big square - area of small square\r \n" ); document.write( "\n" ); document.write( "Thus,\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Area of remaining piece=x^2-(x^2-6x+9)\r \n" ); document.write( "\n" ); document.write( "Area of remaining piece=x^2-x^2+6x-9\r \n" ); document.write( "\n" ); document.write( "Area of remaining piece=6x-9\r \n" ); document.write( "\n" ); document.write( "Hope this helps----ptaylor \n" ); document.write( " |