(x-4) ²-2(x²-16)=0
(x-4)²-2(x-4)x(x + 4) = 0
(x-4) x(x-4-2(x+4)) 0
(x-4)*(x-4-2x-8 -0
(x-4)*(-x-12) 0
x=4=0
-x-12-0
(x-4) ²-2(x²-16)=0
(x-4)²-2(x-4)x(x + 4) = 0
(x-4) x(x-4-2(x+4)) 0
(x-4)*(x-4-2x-8 -0
(x-4)*(-x-12) 0
x=4=0
-x-12-0