A white square quilt has a purple square in the center.the side length of the purple square is (x-5) inches and the width of the quilt is 60 inches. What is the area of the white part of the quilt?

Respuesta :

Area of quilt, Q= [tex]60^2\, in^2=3600\,in^2[/tex]
Area of purple square, P = [tex](x-5)^2\, in^2[/tex]
Area of white area 
= Q-P
= [tex]3600-(x-5)^2\, in^2[/tex]
=[tex]3600-x^2+10x-25\, in^2[/tex]
=[tex]3575-x^2+10x\, in^2[/tex]

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