document.write( "Question 126732: a rectangle painting 60 cm by 90 cm is to e surrounded by a mat tha is w cm wide. find the total area of the painting and the mat. put your answer in standered form. \n" ); document.write( "
Algebra.Com's Answer #92862 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! (60+2w)(90+2w) \n" ); document.write( "5400+180w+120w+4w^2 \n" ); document.write( "4w^2+300w+5400 \n" ); document.write( "4(w^2+75w+1350) \n" ); document.write( "4(w+30)(w+45) \n" ); document.write( " |