Question 125627
let 2x=length, so x=width __ each dimension is reduced by 2 when the corners are cut


(2x-2)(x-2)(1)=12 __ 2x^2-6x+4=12


subtracting 12 and dividing by 2 __ x^2-3x-4=0


factoring __ (x-4)(x+1)=0