Given that f, of, x, equals, x, squared, plus, 16, x, plus, 60f(x)=x
2
+16x+60 and g, of, x, equals, x, plus, 10g(x)=x+10, find left bracket, f, divided by, g, right bracket, left bracket, x, right bracket(f÷g)(x) and express the result as a polynomial in simplest form.