Question 779604
width be x
length = (x+5)

Area = L * W

x(x+5)=66

x^2+5x=66
x^2+5x-66=0

x^2+11x-6x-66=0

x(x+11)-6(x+11)=0

(x+11)(x-6)=0

x=-11 OR x=6

take the positive value

width = 6 cm

and length = x+5 ==>6+5=11cm