Question 339084
let x=width , so 2x=length
2 ft walkway on BOTH ends of length and width


(x + 4)(2x + 4) = 336


FOILing ___ 2x^2 + 12x + 16 = 336 ___ x^2 + 6x - 160 = 0


factoring ___ (x + 16)(x - 10) = 0


x = -16 ___ and ___ x = 10 ___ negative value not realistic