[(x+2)/(x²-2x) – (x-1)/(x²-4x+4)]÷(x²-16)/(x²+4x)=[(x+2)/x(x-2) – (x-1)/(x-2)²]÷[(x+4)(x-4)/x(x+4)]={[(x+2)(x-2)-x(x-1)]/x(x-2)²}÷[(x-4)/x]=[(x²-4-x²+x)/x(...