Question 283203
let the width be x

Then the length will be x+20 inches

Area of rectangle = L * W

Area of carpet = 1125 sq. inches

1125 = x*(x+20)

1125 = x^2 +20x

x^2+20x-1125=0

x^2+45x-25x-1125=0

x(x+45)-25(x+45)=0

(x+45)(x-25)=0

x= -45 or 25 

so width = 25 inches

Length = 45