Question 591584
length = x
width = x-5

border = 2in

length including border = x+2+2=x+4
width including border = x-5 +2+2= x-1

Area = L*W

Area = (x+4)(x-1)=150

x^2+3x-4=150

x^2+3x-154=0

x^2+14x-11x-154=0

x(x+14)-11(x+14)=0

(x+14)(x-11)=0

x= 11 which is positive.

length = 11 inches
width = 11-5 = 6

CHECK

(11+4)(6+4)=150