Question 1057379
Given Area of Rectangle as Length(L) x W (Width)
L = x
W = (x - 9cm)
Area = 190 square cm

190 = x(x - 9)
190 = x^2 - 9x
x^2 - 9x = 190
x^2 - 9x - 190 = 0
x^2 - 19x - 10x - 190 = 0
x(x - 19) - 10(x - 19) = 0
(x - 19) (x - 10) = 0
x = 19, x = 10

Length = 19
Width = 10